List of bridges documented by the Historic American Engineering Record in Pennsylvania

This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of Pennsylvania.[1]

Bridges

Survey No. Name (as assigned by HAER) Built Documented Carries Crosses Location County Coordinates
NY-66 New York, Ontario & Western Railroad, Delaware River Bridge (demolished) 1971 Former New York, Ontario and Western Railway Delaware River Buckingham Township, Pennsylvania, and Hancock, New York Wayne County, Pennsylvania, and Delaware County, New York 41°57′16″N 75°17′56″W / 41.95444°N 75.29889°W / 41.95444; -75.29889 (New York, Ontario & Western Railroad, Delaware River Bridge)
NY-79 Lordville Suspension Bridge (replaced) 1971 SR 1023 (Lordville Road) Delaware River Equinunk, Pennsylvania, and Lordville, New York Wayne County, Pennsylvania, and Delaware County, New York 41°52′04″N 75°12′50″W / 41.86778°N 75.21389°W / 41.86778; -75.21389 (Lordville Suspension Bridge)
PA-1 Delaware Aqueduct 1847 1969 Former Delaware and Hudson Canal Delaware River Lackawaxen, Pennsylvania, and Minisink Ford, New York Pike County, Pennsylvania, and Sullivan County, New York 41°28′57″N 74°59′04″W / 41.48250°N 74.98444°W / 41.48250; -74.98444 (Delaware Aqueduct)
PA-2 Smithfield Street Bridge 1883 1974 Smithfield Street Monongahela River Pittsburgh Allegheny 40°26′05″N 80°00′08″W / 40.43472°N 80.00222°W / 40.43472; -80.00222 (Smithfield Street Bridge)
PA-3 Brady Street Bridge (replaced) 1896 1973 South 22nd Street Monongahela River Pittsburgh Allegheny 40°26′00″N 79°58′25″W / 40.43333°N 79.97361°W / 40.43333; -79.97361 (Brady Street Bridge)
PA-4 North Side Point Bridge (demolished) 1915 1973 Allegheny River Pittsburgh Allegheny 40°26′37″N 80°00′46″W / 40.44361°N 80.01278°W / 40.44361; -80.01278 (North Side Point Bridge)
PA-5 Point Bridge (demolished) 1927 1973 Monongahela River Pittsburgh Allegheny 40°26′27″N 80°00′52″W / 40.44083°N 80.01444°W / 40.44083; -80.01444 (Point Bridge)
PA-6 Erie Railway, Delaware Division, Bridge 189.46 1848 1971 New York, Susquehanna and Western Railway Starrucca Creek Lanesboro Susquehanna 41°57′46″N 75°35′00″W / 41.96278°N 75.58333°W / 41.96278; -75.58333 (Delaware Division, Bridge 189.46)
PA-7 Erie Railway, Bradford Division, Bridge 27.66 (ruin) 1882 1971 Kinzua Creek Mount Jewett McKean 41°45′45″N 78°35′19″W / 41.76250°N 78.58861°W / 41.76250; -78.58861 (Bradford Division, Bridge 27.66)
PA-15 Dingman's Ferry Bridge 1900 1971 SR 2019 and CR 560 Delaware River Dingmans Ferry and Sandyston Township Pike County, Pennsylvania and Sussex County, New Jersey 41°13′12″N 74°51′33″W / 41.22000°N 74.85917°W / 41.22000; -74.85917 (Dingman's Ferry Bridge)
PA-16 Erie Railway, Delaware Division, Bridge 190.13 1930 1971 Norfolk Southern Railway PA 171 (South Main Street) Lanesboro Susquehanna 41°57′16″N 75°35′09″W / 41.95444°N 75.58583°W / 41.95444; -75.58583 (Delaware Division, Bridge 190.13)
PA-17 Erie Railway, Delaware Division, Culvert 190.21 1930 1971 Norfolk Southern Railway Canawacta Creek Lanesboro Susquehanna 41°57′15″N 75°35′11″W / 41.95417°N 75.58639°W / 41.95417; -75.58639 (Delaware Division, Culvert 190.21)
PA-18 Erie Railway, Cascade Bridge (replaced by embankment) 1971 Norfolk Southern Railway Cascade Creek Lanesboro Susquehanna 41°59′24″N 75°35′31″W / 41.99000°N 75.59194°W / 41.99000; -75.59194 (Cascade Bridge)
PA-19 Mead Avenue Bridge 1872 1971 Mead Avenue French Creek Meadville Crawford 41°38′16″N 80°09′45″W / 41.63778°N 80.16250°W / 41.63778; -80.16250 (Mead Avenue Bridge)
PA-22 Pennsylvania Railroad, Allegheny River Bridge 1971 Western New York & Pennsylvania Railroad Allegheny River Oil City and Cranberry Township Venango 41°25′21″N 79°41′52″W / 41.42250°N 79.69778°W / 41.42250; -79.69778 (Pennsylvania Railroad, Allegheny River Bridge)
PA-23 Erie Railway, Delaware River Bridge 1971 Central New York Railroad Delaware River Millrift, Pennsylvania and Deerpark, New York Pike County, Pennsylvania, and Orange County, New York 41°24′23″N 74°44′29″W / 41.40639°N 74.74139°W / 41.40639; -74.74139 (Erie Railway, Delaware River Bridge)
PA-24 Erie Railway, Delaware Division, Bridge 110.54 1894 2000 Central New York Railroad Lackawaxen River Lackawaxen Pike 41°29′13″N 74°59′21″W / 41.48694°N 74.98917°W / 41.48694; -74.98917 (Delaware Division, Bridge 110.54)
PA-27 Erie Railway, Diverging French Creek Bridges 1971 Western New York & Pennsylvania Railroad French Creek Cambridge Springs Crawford 41°49′55″N 79°58′41″W / 41.83194°N 79.97806°W / 41.83194; -79.97806 (Erie Railway, Diverging French Creek Bridges)
PA-28 Erie Railway, Parallel French Creek Bridges 1971 Western New York & Pennsylvania Railroad French Creek Cambridge Springs Crawford 41°48′18″N 80°02′22″W / 41.80500°N 80.03944°W / 41.80500; -80.03944 (Erie Railway, Parallel French Creek Bridges)
PA-31 Delaware River Bridge 1904 1970 Delaware Road Delaware River Riegelsville, Pennsylvania, and Riegelsville, New Jersey Bucks County, Pennsylvania, and Warren County, New Jersey 40°35′39″N 75°11′27″W / 40.59417°N 75.19083°W / 40.59417; -75.19083 (Delaware River Bridge)
PA-34 Pennsylvania Railroad, Erie Railway Bridge 1970 Former Pennsylvania Railroad Erie Railway Corry Erie 41°53′59″N 79°43′13″W / 41.89972°N 79.72028°W / 41.89972; -79.72028 (Pennsylvania Railroad, Erie Railway Bridge)
PA-35 Falls Bridge 1895 1999 Schuylkill River Philadelphia Philadelphia 40°00′30″N 75°11′54″W / 40.00833°N 75.19833°W / 40.00833; -75.19833 (Falls Bridge)
PA-36 Philadelphia and Reading Railroad, Wissahickon Creek Viaduct 1882 2000 SEPTA Manayunk/Norristown Line Wissahickon Creek Philadelphia Philadelphia 40°00′56″N 75°12′23″W / 40.01556°N 75.20639°W / 40.01556; -75.20639 (Wissahickon Creek Viaduct)
PA-37 Connecting Railway, Schuylkill River Bridge 1867 2000 Amtrak Northeast Corridor, etc. Schuylkill River Philadelphia Philadelphia 39°58′35″N 75°11′38″W / 39.97639°N 75.19389°W / 39.97639; -75.19389 (Connecting Railway Bridge)
PA-38 Pennsylvania Railroad, West Philadelphia Elevated 1903 2000 CSX Harrisburg Subdivision Market Street, etc. Philadelphia Philadelphia 39°57′18″N 75°11′07″W / 39.95500°N 75.18528°W / 39.95500; -75.18528 (West Philadelphia Elevated)
PA-39 Philadelphia and Reading Railroad, Schuylkill River Viaduct 1856 2000 CSX Trenton Subdivision Schuylkill River Philadelphia Philadelphia 40°00′23″N 75°11′34″W / 40.00639°N 75.19278°W / 40.00639; -75.19278 (Schuylkill River Viaduct)
PA-43 Erie Railway, Shohola Creek Bridge 1971 Central New York Railroad Shohola Creek Shohola Township Pike 41°28′20″N 74°54′46″W / 41.47222°N 74.91278°W / 41.47222; -74.91278 (Erie Railway, Shohola Creek Bridge)
PA-53 Sewickley Bridge (replaced) 1911 1978 SR 4025 Ohio River Sewickley and Moon Township Allegheny 40°31′59″N 80°11′16″W / 40.53306°N 80.18778°W / 40.53306; -80.18778 (Sewickley Bridge)
PA-54 West Marshall Street Bridge (replaced) 1854 1979 Marshall Street Stony Creek Norristown Montgomery 40°07′07″N 75°20′46″W / 40.11861°N 75.34611°W / 40.11861; -75.34611 (West Marshall Street Bridge)
PA-55 Reading-Halls Station Bridge 1846 1984 Private road Former Philadelphia and Reading Railroad Muncy Lycoming 41°14′09″N 76°49′57″W / 41.23583°N 76.83250°W / 41.23583; -76.83250 (Reading-Halls Station Bridge)
PA-60 Speicher Bridge (replaced) 1878 1983 Old Church Road Tulpehocken Creek Penn and North Heidelberg townships Berks 40°24′21″N 76°04′50″W / 40.40583°N 76.08056°W / 40.40583; -76.08056 (Speicher Bridge)
PA-63 Erie Railway, Meadville Division, Bridge 33.14 1891 1999 Former Erie Railway Oil Creek Oil City Venango 41°25′57″N 79°42′34″W / 41.43250°N 79.70944°W / 41.43250; -79.70944 (Erie Railway, Meadville Division, Bridge 33.14)
PA-67 Gross Covered Bridge (relocated) 1878 1981 TR 574 Middle Creek Beaver Springs Snyder 40°44′49″N 77°12′42″W / 40.74694°N 77.21167°W / 40.74694; -77.21167 (Gross Covered Bridge)
PA-68 Kuhn's Fording Bridge (demolished) 1897 1982 Kuhn Fording Road Conewago Creek East Berlin Adams 39°55′29″N 76°59′40″W / 39.92472°N 76.99444°W / 39.92472; -76.99444 (Kuhn's Fording Bridge)
PA-72 Dunlap's Creek Bridge 1839 1984 Market Street Dunlap's Creek Brownsville Fayette 40°01′18″N 79°53′17″W / 40.02167°N 79.88806°W / 40.02167; -79.88806 (Dunlap's Creek Bridge)
PA-83 College Avenue Bridge (replaced) 1914 1987 PA 58 Little Shenango River Greenville Mercer 41°24′34″N 80°23′04″W / 41.40944°N 80.38444°W / 41.40944; -80.38444 (College Avenue Bridge)
PA-84 Main Street Bridge (replaced) 1847 1986 Main Street French Creek Phoenixville Chester 40°08′09″N 75°30′59″W / 40.13583°N 75.51639°W / 40.13583; -75.51639 (Main Street Bridge)
PA-86 Callowhill Street Bridge (demolished) 1875 1988 Callowhill Street Schuylkill River Philadelphia Philadelphia 39°57′52″N 75°11′00″W / 39.96444°N 75.18333°W / 39.96444; -75.18333 (Callowhill Street Bridge)
PA-87 Tunkhannock Viaduct 1915 1985 Former Delaware, Lackawanna and Western Railroad Tunkhannock Creek Nicholson Wyoming 41°37′20″N 75°46′38″W / 41.62222°N 75.77722°W / 41.62222; -75.77722 (Tunkhannock Viaduct)
PA-88 Christiana Borough Bridge (replaced) 1895 1985 North Bridge Street Former Pennsylvania Railroad Christiana Lancaster 39°57′26″N 75°59′50″W / 39.95722°N 75.99722°W / 39.95722; -75.99722 (Christiana Borough Bridge)
PA-90 Catawissa Bridge (replaced) 1898 1984 PA 42 (Main Street) West Branch Susquehanna River Catawissa Columbia 40°57′15″N 76°28′05″W / 40.95417°N 76.46806°W / 40.95417; -76.46806 (Catawissa Bridge)
PA-91 Bridge Street Bridge (demolished) 1897 1985 Bridge Street South Branch French Creek Union City Erie 41°53′50″N 79°50′07″W / 41.89722°N 79.83528°W / 41.89722; -79.83528 (Bridge Street Bridge)
PA-92 Strawberry Mansion Bridge 1897 1999 Strawberry Mansion Drive Schuylkill River Philadelphia Philadelphia 39°59′42″N 75°11′37″W / 39.99500°N 75.19361°W / 39.99500; -75.19361 (Strawberry Mansion Bridge)
PA-93 Old Mill Road Bridge 1870 1991 Old Mill Road Saucon Creek Hellertown Northampton 40°33′41″N 75°20′53″W / 40.56139°N 75.34806°W / 40.56139; -75.34806 (Old Mill Road Bridge)
PA-96 West End-North Side Bridge (altered) 1932 1985 US 19 Ohio River Pittsburgh Allegheny 40°26′47″N 80°01′37″W / 40.44639°N 80.02694°W / 40.44639; -80.02694 (West End-North Side Bridge)
PA-97 Smithton Bridge (replaced) 1900 1986 PA 981 Youghiogheny River Smithton Westmoreland 40°09′25″N 79°44′41″W / 40.15694°N 79.74472°W / 40.15694; -79.74472 (Smithton Bridge)
PA-98 Washingtonville Bridge (demolished) 1887 1986 DeLong Road Chillisquaque Creek Derry Township Montour 41°04′08″N 76°40′55″W / 41.06889°N 76.68194°W / 41.06889; -76.68194 (Washingtonville Bridge)
PA-99 St. Anthony Street Bridge (replaced) 1889 1987 St. Anthony Street Buffalo Creek Lewisburg Union 40°58′12″N 76°53′00″W / 40.97000°N 76.88333°W / 40.97000; -76.88333 (St. Anthony Street Bridge)
PA-100 East Bloomsburg Bridge (replaced) 1894 1987 PA 487 (Ferry Road) Susquehanna River Bloomsburg and Catawissa Township Columbia 40°59′33″N 76°26′21″W / 40.99250°N 76.43917°W / 40.99250; -76.43917 (East Bloosmburg Bridge)
PA-101 Emlenton Bridge (replaced) 1883 1987 PA 38 Allegheny River Emlenton Venango and Clarion 41°10′33″N 79°42′29″W / 41.17583°N 79.70806°W / 41.17583; -79.70806 (Emlenton Bridge)
PA-102 Memorial Avenue Bridge (replaced) 1889 1986 Memorial Avenue Lycoming Creek Williamsport Lycoming 41°14′41″N 77°02′53″W / 41.24472°N 77.04806°W / 41.24472; -77.04806 (Memorial Avenue Bridge)
PA-105 South Street Bridge (replaced) 1925 1986 South Street Former Pocono Northeast Railroad, etc. Wilkes-Barre Luzerne 41°14′23″N 75°53′6″W / 41.23972°N 75.88500°W / 41.23972; -75.88500 (South Street Bridge)
PA-112 Allentown Road Bridge (replaced) 1837 1987 Allentown Road Skippack Creek Franconia Township Montgomery 40°17′19″N 75°20′19″W / 40.28861°N 75.33861°W / 40.28861; -75.33861 (Allentown Road Bridge)
PA-116 Philadelphia and Reading Railroad, Skew Arch Bridge 1857 2000 Norfolk Southern Railway North 6th Street Reading Berks 40°20′34″N 75°55′33″W / 40.34278°N 75.92583°W / 40.34278; -75.92583 (Philadelphia and Reading Railroad, Skew Arch Bridge)
PA-117 Philadelphia and Reading Railroad, Reading Depot Bridge 1975 Norfolk Southern Railway North 6th Street Reading Berks 40°20′36″N 75°55′32″W / 40.34333°N 75.92556°W / 40.34333; -75.92556 (Philadelphia and Reading Railroad, Reading Depot Bridge)
PA-118 Philadelphia and Reading Railroad, Peacock's Lock Viaduct 1856 2000 Reading Blue Mountain and Northern Railroad Schuylkill River Reading Berks 40°24′36″N 75°56′51″W / 40.41000°N 75.94750°W / 40.41000; -75.94750 (Philadelphia and Reading Railroad, Peacock's Lock Viaduct)
PA-119 Philadelphia and Reading Railroad, Walnut Street Bridge 1975 Walnut Street Norfolk Southern Railway Reading Berks 40°20′18″N 75°55′26″W / 40.33833°N 75.92389°W / 40.33833; -75.92389 (Philadelphia and Reading Railroad, Walnut Street Bridge)
PA-120 Philadelphia and Reading Railroad, Pedestrian Suspension Bridge (relocated) 1887 2000 Sixth Street Former Philadelphia and Reading Railroad Reading Berks 40°19′28″N 75°55′34″W / 40.32444°N 75.92611°W / 40.32444; -75.92611 (Philadelphia and Reading Railroad, Pedestrian Suspension Bridge)
PA-123 Tank Farm Road Bridge (demolished) 1988 Tank Farm Road Former Philadelphia and Reading Railroad Emmaus Lehigh 40°31′22″N 75°31′48″W / 40.52278°N 75.53000°W / 40.52278; -75.53000 (Tank Farm Road Bridge)
PA-125 Walnut Lane Bridge 1950 1988 Walnut Lane Lincoln Drive and Monoshone Creek Philadelphia Philadelphia 40°01′59″N 75°11′16″W / 40.03306°N 75.18778°W / 40.03306; -75.18778 (Walnut Lane Bridge)
PA-129 Dauberville Bridge (demolished) 1908 1988 Belleman's Church Road Schuylkill River Centre and Ontelaunee townships Berks 40°27′25″N 75°58′37″W / 40.45694°N 75.97694°W / 40.45694; -75.97694 (Dauberville Bridge)
PA-130 Allenwood Bridge (replaced) 1895 1989 PA 44 (Bridge Avenue) West Branch Susquehanna River Delaware and Gregg townships Northumberland and Union 41°06′28″N 76°53′25″W / 41.10778°N 76.89028°W / 41.10778; -76.89028 (Allenwood Bridge)
PA-131 Hill to Hill Bridge (rehabilitated) 1924 1988 PA 378 (Wyandotte Street) Lehigh River Bethlehem Lehigh and Northampton 40°36′56″N 75°23′05″W / 40.61556°N 75.38472°W / 40.61556; -75.38472 (Hill to Hill Bridge)
PA-132-A Delaware, Lackawanna and Western Railroad, Scranton Yards, Bridge 60 1908 1989 Former Delaware, Lackawanna and Western Railroad Lackawanna River, etc. Scranton Lackawanna 41°24′40″N 75°40′23″W / 41.41111°N 75.67306°W / 41.41111; -75.67306 (Delaware, Lackawanna & Western Railroad, Scranton Yards, Bridge 60)
PA-132-H Delaware, Lackawanna and Western Railroad, Scranton Yards, Washington Avenue Bridge 1908 1989 Former Delaware, Lackawanna and Western Railroad Lackawanna River, etc. Scranton Lackawanna 41°24′22″N 75°39′57″W / 41.40611°N 75.66583°W / 41.40611; -75.66583 (Delaware, Lackawanna & Western Railroad, Scranton Yards, Washington Avenue Bridge)
PA-132-J Delaware, Lackawanna and Western Railroad, Scranton Yards, Cedar Avenue Bridge 1908 1989 Former Delaware, Lackawanna and Western Railroad Lackawanna River, etc. Scranton Lackawanna 41°24′20″N 75°39′50″W / 41.40556°N 75.66389°W / 41.40556; -75.66389 (Delaware, Lackawanna & Western Railroad, Scranton Yards, Cedar Avenue Bridge)
PA-135 Brown Street Bridge (replaced) 1899 1989 Brown Street Oil Creek Titusville Crawford 41°37′26″N 79°39′55″W / 41.62389°N 79.66528°W / 41.62389; -79.66528 (Brown Street Bridge)
PA-141 Freemansburg-Steel City Bridge (replaced) 1896 1979 Main Street Lehigh River Freemansburg Northampton 40°37′20″N 75°20′03″W / 40.62222°N 75.33417°W / 40.62222; -75.33417 (Freemansburg-Steel City Bridge)
PA-144 Lehigh Canal, Monocacy Creek Aqueduct (ruin) 1829 1979 Lehigh Canal Monocacy Creek Bethlehem Northampton 40°36′59″N 75°22′50″W / 40.61639°N 75.38056°W / 40.61639; -75.38056 (Lehigh Canal, Monocacy Creek Aqueduct)
PA-173 Sanderson Avenue Bridge (replaced) 1904 1989 Sanderson Avenue Lackawanna River Scranton Lackawanna 41°26′05″N 75°38′48″W / 41.43472°N 75.64667°W / 41.43472; -75.64667 (Sanderson Avenue Bridge)
PA-178 Lehigh Canal, Aquashicola Creek Aqueduct (demolished) 1979 Lehigh Canal Aquashicola Creek Lower Towamensing Township Carbon 40°47′33″N 75°36′45″W / 40.79250°N 75.61250°W / 40.79250; -75.61250 (Lehigh Canal, Aquashicola Creek Aqueduct)
PA-179 Bodines Bridge (replaced) 1890 SR 1006 Lycoming Creek Lewis Township Lycoming 41°05′38″N 76°48′11″W / 41.09389°N 76.80306°W / 41.09389; -76.80306 (Bodines Bridge)
PA-191 Wilson Shute Bridge (replaced) 1889 1990 SR 2008 (Wilson Chutes Road) French Creek Meadville Crawford 41°35′21″N 80°09′01″W / 41.58917°N 80.15028°W / 41.58917; -80.15028 (Wilson Shute Bridge)
PA-193 Bucks County Bridge No. 313 (replaced) 1875 1993 Letchworth Avenue Delaware Division Canal Yardley Bucks 40°14′19″N 74°49′52″W / 40.23861°N 74.83111°W / 40.23861; -74.83111 (Bucks County Bridge No. 313)
PA-195 Lindbergh Bridge (rehabilitated) 1928 1991 Marple Avenue Darby Creek Clifton Heights Delaware 39°56′01″N 75°17′24″W / 39.93361°N 75.29000°W / 39.93361; -75.29000 (Lindbergh Bridge)
PA-196 Dougal Truss Bridge 1990 LR 920 (Gobbler's Way) Pennsylvania Canal (Delaware Division) Point Pleasant Bucks 40°25′25″N 75°03′55″W / 40.42361°N 75.06528°W / 40.42361; -75.06528 (Dougal Truss Bridge)
PA-197 Cabin Run Covered Bridge 1871 1990 Schlentz Hill Road Cabin Run Point Pleasant Bucks
PA-198 Loux Covered Bridge 1874 1990 Carversville-Wisner Road Cabin Run Bedminster and Plumstead townships Bucks 40°25′23″N 75°7′40″W / 40.42306°N 75.12778°W / 40.42306; -75.12778 (Loux Covered Bridge)
PA-205 Stewartstown Railroad Bridge 1870 1991 Valley Road Stewartstown Railroad Stewartstown York 39°45′19″N 76°36′34″W / 39.75528°N 76.60944°W / 39.75528; -76.60944 (Stewartstown Railroad Bridge)
PA-206 Walnut Street Bridge (relocated) 1860 1991 Walnut Street Saucon Creek Hellertown Northampton 40°34′21″N 75°20′37″W / 40.57250°N 75.34361°W / 40.57250; -75.34361 (Walnut Street Bridge)
PA-207 Haupt Truss Bridge 1854 1986 Railroaders Memorial Museum Altoona Blair 40°30′50″N 78°23′57″W / 40.51389°N 78.39917°W / 40.51389; -78.39917 (Haupt Truss Bridge)
PA-208 Hares Hill Road Bridge 1869 1991 SR 1045 (Hares Hill Road) French Creek Kimberton Chester 40°08′28″N 75°34′04″W / 40.14111°N 75.56778°W / 40.14111; -75.56778 (Hares Hill Road Bridge)
PA-209 Henszey's Wrought-Iron Arch Bridge (demolished) 1869 1991 SR 4036 (Kings Road) Ontelaunee Creek Lynn Township Lehigh 40°39′17″N 75°50′44″W / 40.65472°N 75.84556°W / 40.65472; -75.84556 (Henszey's Wrought-Iron Arch Bridge)
PA-210 Scarlets Mill Bridge 1881 1991 Horseshoe Trail Former Philadelphia and Reading Railroad Scarlets Mill Berks
PA-211 Rush's Mill Bridge 1869 1991 Plum Creek Sinking Spring Berks
PA-215 Brevard Bridge (replaced) 1913 1991 Ullom Road Westland Run Export Washington 40°15′44″N 80°16′02″W / 40.26222°N 80.26722°W / 40.26222; -80.26722 (Brevard Bridge)
PA-217 Coraopolis Bridge (replaced) 1892 1990 Grand Avenue Ohio River back channel Coraopolis Allegheny 40°30′58″N 80°09′07″W / 40.51611°N 80.15194°W / 40.51611; -80.15194 (Coraopolis Bridge)
PA-223 York County Bridge No. 29 (replaced) 1913 1991 Norris Road Orson Run Airville York 39°47′19″N 76°23′54″W / 39.78861°N 76.39833°W / 39.78861; -76.39833 (York County Bridge No. 29)
PA-225 Mercer County Bridge No. 2631 (replaced) 1894 1991 Cribbs Road Pine Run Mercer Mercer 41°11′30″N 80°11′15″W / 41.19167°N 80.18750°W / 41.19167; -80.18750 (Mercer County Bridge No. 2631)
PA-233 Fifficktown Bridge (replaced) 1910 1987 Oak Street Little Conemaugh River South Fork Cambria 40°22′11″N 78°47′09″W / 40.36972°N 78.78583°W / 40.36972; -78.78583 (Fifficktown Bridge)
PA-236 Birmingham Bridge 1898 1987 Little Juniata River Tyrone Blair 40°38′57″N 78°11′56″W / 40.64917°N 78.19889°W / 40.64917; -78.19889 (Birmingham Bridge)
PA-239 Skew Arch Bridge, Spanning Incline No. 6 of Allegheny Portage Railroad 1833 1987 Old US 22 Incline No. 6 of Allegheny Portage Railroad Cresson Cambria 40°27′11″N 78°32′34″W / 40.45306°N 78.54278°W / 40.45306; -78.54278 (Skew Arch Bridge, Spanning Incline No. 6)
PA-246 Stone Creek Bridge I 1850 1987 Former Pennsylvania Railroad Standing Stone Creek Huntingdon Huntingdon 40°28′53″N 78°00′15″W / 40.48139°N 78.00417°W / 40.48139; -78.00417 (Stone Creek Bridge I)
PA-247 Stone Creek Bridge II 1891 1987 Former Pennsylvania Railroad Standing Stone Creek Huntingdon Huntingdon 40°28′51″N 78°00′16″W / 40.48083°N 78.00444°W / 40.48083; -78.00444 (Stone Creek Bridge II)
PA-248 Corbin Bridge 1937 1987 Corbin Road Raystown Branch Juniata River Juniata Township Huntingdon 40°27′17″N 77°58′59″W / 40.45472°N 77.98306°W / 40.45472; -77.98306 (Corbin Bridge)
PA-262 Ernest Mines Railroad Bridge 1987 McKee Run Ernest Indiana
PA-266 Mahoning Creek Trestle 1899 1987 Former Buffalo, Rochester and Pittsburgh Railway Mahoning Creek West Mahoning Township Indiana 40°53′16″N 79°12′28″W / 40.88778°N 79.20778°W / 40.88778; -79.20778 (Mahoning Creek Trestle)
PA-267 Pennsylvania Railroad, East Tunnel Viaduct 1907 1987 Former Pennsylvania Railroad Conemaugh River Conemaugh Township Indiana 40°27′41″N 79°21′44″W / 40.46139°N 79.36222°W / 40.46139; -79.36222 (Pennsylvania Railroad, East Tunnel Viaduct)
PA-268 Pennsylvania Railroad, West Tunnel Viaduct 1907 1987 Former Pennsylvania Railroad Conemaugh River Conemaugh Township Indiana 40°27′42″N 79°22′03″W / 40.46167°N 79.36750°W / 40.46167; -79.36750 (Pennsylvania Railroad, West Tunnel Viaduct)
PA-275 York County Bridge No. 101 1915 1993 TR 578 (Blymire Hollow Road) Blymire Creek Winterstown York 39°49′00″N 76°37′49″W / 39.81667°N 76.63028°W / 39.81667; -76.63028 (York County Bridge No. 101)
PA-276 York County Bridge No. 149 (replaced) 1913 TR 370 (Pentland Road) East Branch Codorus Creek Jefferson York
PA-277-A Monongahela Connecting Railroad, Y Trestle 1899 Pittsburgh Allegheny
PA-277-B Monongahela Connecting Railroad, Main Bridge (rehabilitated) 1904 South 29th Street Monongahela River Pittsburgh Allegheny 40°25′42″N 79°57′38″W / 40.42833°N 79.96056°W / 40.42833; -79.96056 (Monongahela Connecting Railroad, Main Bridge)
PA-277-C Monongahela Connecting Railroad, Hot Metal Bridge (rehabilitated) 1900 Great Allegheny Passage Monongahela River Pittsburgh Allegheny 40°25′42″N 79°57′39″W / 40.42833°N 79.96083°W / 40.42833; -79.96083 (Monongahela Connecting Railroad, Hot Metal Bridge)
PA-284 Penns Creek Bridge (replaced) 1874 SR 1014 (Mill Road) Penns Creek Monroe and Penn townships Snyder 40°49′31″N 76°52′22″W / 40.82528°N 76.87278°W / 40.82528; -76.87278 (Penns Creek Bridge)
PA-300 Conrail Port Perry Bridge 1904 1994 Former Pennsylvania Railroad, Port Perry Branch Monongahela River North Versailles Township and Duquense Allegheny 40°23′14″N 79°51′05″W / 40.38722°N 79.85139°W / 40.38722; -79.85139 (Conrail Port Perry Bridge)
PA-307 Core Creek County Bridge (replaced) 1875 Core Creek Newtown Bucks
PA-308 Montgomery County Bridge No. 221 (replaced) 1896 Metz Road Towamencin Creek Towamencin Township Montgomery 40°13′44″N 75°21′48″W / 40.22889°N 75.36333°W / 40.22889; -75.36333 (Montgomery County Bridge No. 221)
PA-309 Gulph Creek Stone Arch Bridge 1789 Old Gulph Road Gulph Creek King of Prussia Montgomery 40°03′42″N 75°20′29″W / 40.06167°N 75.34139°W / 40.06167; -75.34139 (Gulph Creek Stone Arch Bridge)
PA-310 Perkiomen Stone Arch Bridge 1799 Ridge Pike Perkiomen Creek Collegeville Montgomery 40°11′03″N 75°26′54″W / 40.18417°N 75.44833°W / 40.18417; -75.44833 (Perkiomen Stone Arch Bridge)
PA-311 Skippack Stone Arch Bridge 1792 Germantown Pike Skippack Creek Lower Providence Township Montgomery 40°10′49″N 75°25′18″W / 40.18028°N 75.42167°W / 40.18028; -75.42167 (Skippack Stone Arch Bridge)
PA-341 Dubbs Bridge (replaced) 1830 SR 2031 (Spinnerstown Road) Hosensack Creek Lower Milford Township Lehigh 40°28′15″N 75°28′00″W / 40.47083°N 75.46667°W / 40.47083; -75.46667 (Dubbs Bridge)
PA-342 Market Street Bridge 1929 Market Street North Branch of Susquehanna River Wilkes-Barre Luzerne 41°14′58″N 75°53′07″W / 41.24944°N 75.88528°W / 41.24944; -75.88528 (Market Street Bridge)
PA-344 Pennsylvania Railroad, Loyalhanna Creek Bridge 1901 1991 Former Pennsylvania Railroad Loyalhanna Creek Latrobe Westmoreland 40°18′54″N 79°23′22″W / 40.31500°N 79.38944°W / 40.31500; -79.38944 (Pennsylvania Railroad, Loyalhanna Creek Bridge)
PA-350 Felten's Mill Covered Bridge 1892 1991 Loyalhanna Creek East Providence Township Bedford 39°58′23″N 78°17′19″W / 39.97306°N 78.28861°W / 39.97306; -78.28861 (Felten's Mill Covered Bridge)
PA-153 Jackson's Mill Covered Bridge 1886 1991 TR 412 Brush Creek East Providence Township Bedford 39°58′16″N 78°16′18″W / 39.97111°N 78.27167°W / 39.97111; -78.27167 (Jackson's Mill Covered Bridge)
PA-356 Bedford County Bridge No. 4 1889 1991 TR 655 Yellow Creek Hopewell Bedford
PA-357 Bedford County Bridge No. 32 (replaced) 1882 1991 TR 350 (Schellsburg Street) Wills Creek Hyndman Bedford 39°49′29″N 78°43′23″W / 39.82472°N 78.72306°W / 39.82472; -78.72306 (Bedford County Bridge No. 32)
PA-358 North Hyndman Bridge 1916 1991 Former Baltimore and Ohio Railroad Wills Creek Hyndman Bedford 39°49′27″N 78°43′15″W / 39.82417°N 78.72083°W / 39.82417; -78.72083 (North Hyndman Bridge)
PA-361 Raystown Covered Bridge 1892 1991 TR 418 Raystown Branch Juniata River Manns Choice Bedford 40°00′34″N 78°38′55″W / 40.00944°N 78.64861°W / 40.00944; -78.64861 (Raystown Covered Bridge)
PA-371 Salisbury Junction Viaduct 1911 1992 Former Western Maryland Railway Casselman River and US 219 Meyersdale Somerset 39°50′03″N 79°02′44″W / 39.83417°N 79.04556°W / 39.83417; -79.04556 (Salisbury Junction Viaduct)
PA-373 Wills Creek Bollman Bridge (relocated) 1871 1991 Great Allegheny Passage Scratch Hill Road Meyersdale Somerset 39°49′06″N 78°59′41″W / 39.81833°N 78.99472°W / 39.81833; -78.99472 (Wills Creek Bollman Bridge)
PA-383 Bell Avenue Bridge (replaced) 1880 1995 Former Pittsburgh, Cincinnati, Chicago and St. Louis Railroad Bell Avenue Carnegie Allegheny 40°24′55″N 80°05′00″W / 40.41528°N 80.08333°W / 40.41528; -80.08333 (Bell Avenue Bridge)
PA-388 Oakland Avenue Viaduct (replaced) 1936 South Oakland Avenue US 62 and Pine Run Sharon Mercer 41°13′52″N 80°29′58″W / 41.23111°N 80.49944°W / 41.23111; -80.49944 (Oakland Avenue Viaduct)
PA-402 Runk Bridge 1898 1986 Aughwick Creek Road Aughwick Creek Shirleysburg Huntingdon 40°16′40″N 77°53′14″W / 40.27778°N 77.88722°W / 40.27778; -77.88722 (Runk Bridge)
PA-403 Augwick Creek Bridge 1986 Former East Broad Top Railroad Aughwick Creek Shirley Township Huntingdon 40°16′40″N 77°53′14″W / 40.27778°N 77.88722°W / 40.27778; -77.88722 (Aughwick Creek Bridge)
PA-406 Horner Street Bridge 1917 1992 Horner Street Stonycreek River Johnstown Cambria 40°18′19″N 78°54′41″W / 40.30528°N 78.91139°W / 40.30528; -78.91139 (Horner Street Bridge)
PA-407 Ackerly Creek Bridge (replaced) 1904 1995 SR 4011 (South Turnpike Road) Ackerly Creek Dalton Lackawanna 41°31′44″N 75°44′07″W / 41.52889°N 75.73528°W / 41.52889; -75.73528 (Ackerly Creek Bridge)
PA-408 Centennial Bridge (demolished) 1876 1996 SR 2030 (Station Avenue) Laurel Run (Saucon Creek) Center Valley Lehigh 40°31′43″N 75°23′30″W / 40.52861°N 75.39167°W / 40.52861; -75.39167 (Centennial Bridge)
PA-412 Walnut Street Bridge 1890 1996 SR 3034 (Walnut Street) Susquehanna River Harrisburg Dauphin 40°15′27″N 76°53′10″W / 40.25750°N 76.88611°W / 40.25750; -76.88611 (Walnut Street Bridge)
PA-415 Chester County Bridge No. 225 (replaced) 1907 1996 Hopewell Road Tweed Creek Oxford Chester 39°46′45″N 76°01′04″W / 39.77917°N 76.01778°W / 39.77917; -76.01778 (Chester County Bridge No. 225)
PA-418 Plunketts Creek Bridge No. 3 (destroyed) 1875 1996 SR 1005 Plunketts Creek Plunketts Creek Township Lycoming 41°24′32″N 76°48′10″W / 41.40889°N 76.80278°W / 41.40889; -76.80278 (Plunketts Creek Bridge No. 3)
PA-419 York County Bridge No. 150 (replaced) 1915 1995 TR 370 (Pentland Road) Codorus Creek Jefferson York 39°48′03″N 76°51′45″W / 39.80083°N 76.86250°W / 39.80083; -76.86250 (York County Bridge No. 150)
PA-421 County Bridge No. 14 (replaced) 1896 1997 TR 493 (Spencer Road) Tioga River Mansfield Tioga 41°46′55″N 77°04′17″W / 41.78194°N 77.07139°W / 41.78194; -77.07139 (County Bridge No. 14)
PA-425 Lynn Avenue Bridge 1928 1997 Lynn Avenue Former Philadelphia, Bethlehem and New England Railroad Bethlehem Northampton 40°36′39″N 75°20′58″W / 40.61083°N 75.34944°W / 40.61083; -75.34944 (Lynn Avenue Bridge)
PA-428 Knight Bridge (replaced) 1893 1996 TR 413 Catawissa Creek Mainville Columbia 40°57′48″N 76°22′21″W / 40.96333°N 76.37250°W / 40.96333; -76.37250 (Knight Bridge)
PA-431 Mount Pocono Bridge 1922 Fairview Avenue Former Delaware, Lackawanna and Western Railroad Mount Pocono Monroe 41°06′52″N 75°22′03″W / 41.11444°N 75.36750°W / 41.11444; -75.36750 (Mount Pocono Bridge)
PA-435 Bridge over Little Pine Creek (replaced) 1915 1997 SR 1026 Little Pine Creek Jonestown Columbia 41°09′08″N 76°17′42″W / 41.15222°N 76.29500°W / 41.15222; -76.29500 (Bridge over Little Pine Creek)
PA-443 West Penn Bridge, Pennsylvania Railroad (rehabilitated) 1890 Three Rivers Heritage Trail Allegheny River back channel Pittsburgh Allegheny 40°27′37″N 79°58′54″W / 40.46028°N 79.98167°W / 40.46028; -79.98167 (West Penn Bridge, Pennsylvania Railroad)
PA-444 Castle Garden Bridge (replaced) 1901 TR 343 Sinnemahoning Creek Driftwood Cameron 41°20′01″N 78°08′09″W / 41.33361°N 78.13583°W / 41.33361; -78.13583 (Castle Garden Bridge)
PA-445 McKee's Rocks Bridge 1931 1997 SR 3014 (Chartiers Avenue) Ohio River McKees Rocks and Pittsburgh Allegheny 40°28′37″N 80°02′56″W / 40.47694°N 80.04889°W / 40.47694; -80.04889 (McKee's Rocks Bridge)
PA-446 George Westinghouse Bridge 1932 1997 US 30 (Lincoln Highway) Turtle Creek East Pittsburgh and North Versailles Township Allegheny 40°23′38″N 79°50′16″W / 40.39389°N 79.83778°W / 40.39389; -79.83778 (George Westinghouse Bridge)
PA-447 Washington Crossing Bridge 1924 1997 SR 2124 (40th Street) Allegheny River Pittsburgh and Millvale Allegheny 40°28′22″N 79°58′07″W / 40.47278°N 79.96861°W / 40.47278; -79.96861 (Washington Crossing Bridge)
PA-448 Liberty Bridge 1928 1997 SR 3069 Monongahela River Pittsburgh Allegheny 40°25′58″N 79°59′48″W / 40.43278°N 79.99667°W / 40.43278; -79.99667 (Liberty Bridge)
PA-449 Narrows Bridge 1935 1997 US 30 (Lincoln Highway) Raystown Branch Juniata River Snake Spring Township Bedford 40°00′52″N 78°29′19″W / 40.01444°N 78.48861°W / 40.01444; -78.48861 (Narrows Bridge)
PA-450 S Bridge 1919 1997 SR 3061 Tulpehocken Creek Womelsdorf Berks 40°22′24″N 76°13′6″W / 40.37333°N 76.21833°W / 40.37333; -76.21833 (S Bridge)
PA-451 Campbell's Bridge[lower-alpha 1] (replaced) 1907 1997 SR 4027 (Allentown Road) Unami Creek Milford Square Bucks 40°25′42″N 75°23′48″W / 40.42833°N 75.39667°W / 40.42833; -75.39667 (Campbell's Bridge)
PA-452 Allegheny Portage Railroad, Lilly Culvert 1832 1997 PA 53 Burgoon Run Lilly Cambria 40°25′26″N 78°37′8″W / 40.42389°N 78.61889°W / 40.42389; -78.61889 (Lilly Culvert)
PA-453 Allegheny Portage Railroad, Bens Creek Culvert 1832 1997 PA 53 Bens Creek Portage Township Cambria 40°24′8″N 78°38′24″W / 40.40222°N 78.64000°W / 40.40222; -78.64000 (Bens Creek Culvert)
PA-454 Inclined Plane Bridge 1890 1997 SR 3022 spur Stonycreek River Johnstown Cambria 40°19′33″N 78°55′33″W / 40.32583°N 78.92583°W / 40.32583; -78.92583 (Inclined Plane Bridge)
PA-455 Market Street Bridge 1928 1997 SR 3012 (Market Street) East channel of Susquehanna River Harrisburg Dauphin 40°15′24″N 76°53′5″W / 40.25667°N 76.88472°W / 40.25667; -76.88472 (Market Street Bridge)
PA-456 Soldiers' & Sailors' Memorial Bridge 1930 1997 SR 3014 (State Street) Paxton Creek and PA 230 (Cameron Street) Harrisburg Dauphin 40°16′0″N 76°52′42″W / 40.26667°N 76.87833°W / 40.26667; -76.87833 (Soldiers' & Sailors' Memorial Bridge)
PA-457 Maclay's Mill Twin Bridge (East & West) 1827 1997 SR 4018 (Maclay's Mill Road) Conodoguinet Creek and mill race Lurgan and Southampton townships Franklin 40°5′49″N 77°34′13″W / 40.09694°N 77.57028°W / 40.09694; -77.57028 (Maclay's Mill Twin Bridge)
PA-458 McConnell's Mill Bridge 1875 1997 TR 415 (McConnell's Mill Road) Slippery Rock Creek Slippery Rock Township Lawrence 40°57′10″N 80°10′13″W / 40.95278°N 80.17028°W / 40.95278; -80.17028 (McConnell's Mill Bridge)
PA-459 South Eighth Street Viaduct 1913 1997 SR 2055 (Eighth Street) Little Lehigh Creek Allentown Lehigh 40°35′47″N 75°28′16″W / 40.59639°N 75.47111°W / 40.59639; -75.47111 (South Eighth Street Viaduct)
PA-460 Upper Bridge at Slate Run[lower-alpha 2] 1890 1997 PA 414 Pine Creek Brown Township Lycoming 41°29′11″N 77°29′50″W / 41.48639°N 77.49722°W / 41.48639; -77.49722 (Upper Bridge at Slate Run)
PA-461 Lower Bridge at English Center 1891 1999 SR 4001 Pine Creek English Center Lycoming 41°26′05″N 77°17′21″W / 41.43472°N 77.28917°W / 41.43472; -77.28917 (Lower Bridge at English Center)
PA-462 Waterville Bridge (relocated) 1891 1997 Appalachian Trail Swatara Creek Green Point Lebanon 40°28′49″N 76°31′55″W / 40.48028°N 76.53194°W / 40.48028; -76.53194 (Waterville Bridge)
PA-463 Brick Arch Culvert over Master Street 1902 1997 US 13 (Thirty-third Street) Master Street Philadelphia Philadelphia 39°58′42″N 75°11′22″W / 39.97833°N 75.18944°W / 39.97833; -75.18944 (Brick Arch Culvert over Master Street)
PA-464 Henry Avenue Bridge 1931 1997 SR 4001 (Henry Avenue) Wissahickon Creek and Lincoln Drive Philadelphia Philadelphia 40°01′27″N 75°11′46″W / 40.02417°N 75.19611°W / 40.02417; -75.19611 (Henry Avenue Bridge)
PA-465 Pennypack Creek Bridge 1697 1997 US 13 (Frankford Avenue) Pennypack Creek Philadelphia Philadelphia 40°03′53″N 74°58′53″W / 40.06472°N 74.98139°W / 40.06472; -74.98139 (Pennypack Creek Bridge)
PA-466 Pithole Stone Arch Bridge 1898 1997 SR 1004 (Eagle Rock Road) Pithole Creek Pithole Venango 41°29′13″N 79°35′43″W / 41.48694°N 79.59528°W / 41.48694; -79.59528 (Pithole Stone Arch Bridge)
PA-467 Charleroi-Monessen Bridge (demolished) 1907 1997 SR 2018 Monongahela River North Charleroi and Monessen Washington and Westmoreland 40°09′06″N 79°54′15″W / 40.15167°N 79.90417°W / 40.15167; -79.90417 (Charleroi-Monessen Bridge)
PA-468 Nicholson Township Lenticular Bridge 1881 1997 SR 1029 Tunkhannock Creek Nicholson Township Wyoming 41°36′17″N 75°49′22″W / 41.60472°N 75.82278°W / 41.60472; -75.82278 (Nicholson Township Lenticular Bridge)
PA-469 Kralltown Road Bridge (replaced) 1884 1997 SR 4017 (Kralltown Road) Bermudian Creek Kralltown York 40°00′31″N 76°57′46″W / 40.00861°N 76.96278°W / 40.00861; -76.96278 (Kralltown Road Bridge)
PA-470 Kellams Bridge 1890 1997 SR 1018 (Kellam Bridge Road) Delaware River Stalker, Pennsylvania, and Hankins, New York Wayne County, Pennsylvania, and Sullivan County, New York 41°49′24″N 75°06′49″W / 41.82333°N 75.11361°W / 41.82333; -75.11361 (Kellams Bridge)
PA-471 Frankford Avenue Bridge over Poquessing Creek[lower-alpha 3] 1904 1997 US 13 (Frankford Avenue) Poquessing Creek Pennsylvania Philadelphia 40°03′54″N 74°58′52″W / 40.06500°N 74.98111°W / 40.06500; -74.98111 (Frankford Avenue Bridge over Poquessing Creek)
PA-472 Old Brownsville Bridge 1914 1997 SR 2067 Monongahela River Brownsville and West Brownsville Fayette and Washington 40°01′21″N 80°09′45″W / 40.02250°N 80.16250°W / 40.02250; -80.16250 (Old Brownsville Bridge)
PA-473 Columbia–Wrightsville Bridge 1930 1997 PA 462 (Lincoln Highway) Susquehanna River Columbia and Wrightsville Lancaster and York 40°01′44″N 76°31′01″W / 40.02889°N 76.51694°W / 40.02889; -76.51694 (Columbia–Wrightsville Bridge)
PA-474 Coverts Crossing Bridge (replaced) 1887 1997 TR 372 (Covert Road) Mahoning River New Castle Lawrence 40°59′49″N 80°24′51″W / 40.99694°N 80.41417°W / 40.99694; -80.41417 (Coverts Crossing Bridge)
PA-477 Fayette County Bridge No. 103 (replaced) 1903 1998 TR 364 Jacobs Creek Masontown Fayette
PA-478 Structural Study of Pennsylvania Historic Bridges 1997 Structural analyses of Campbell's Bridge, Upper Bridge at Slate Run, and Frankford Avenue Bridge over Poquessing Creek Harrisburg Dauphin
PA-479 Breslau Bridge (demolished) 1914 1998 Hanover Street North Branch Susquehanna River Plymouth Luzerne 41°14′15″N 75°56′37″W / 41.23750°N 75.94361°W / 41.23750; -75.94361 (Breslau Bridge)
PA-480 Parryville Bridge (replaced) 1933 1998 SR 2008 (Centre Street) Pohopoco Creek Parryville Carbon 40°49′03″N 75°40′22″W / 40.81750°N 75.67278°W / 40.81750; -75.67278 (Parryville Bridge)
PA-486 Little Conewago Creek Bridge 1919 1999 US 30 (Lincoln Highway) South Branch of Conewago Creek New Oxford Adams 39°51′42″N 77°04′26″W / 39.86167°N 77.07389°W / 39.86167; -77.07389 (Little Conewago Creek Bridge)
PA-487 Davis Avenue Bridge (demolished) 1899 1999 Davis Avenue Woods Run Avenue Pittsburgh Allegheny 40°28′54″N 80°01′32″W / 40.48167°N 80.02556°W / 40.48167; -80.02556 (Davis Avenue Bridge)
PA-488 Larimer Avenue Bridge 1912 1999 Larimer Avenue PA 8 (Washington Boulevard) Pittsburgh Allegheny 40°28′02″N 79°54′33″W / 40.46722°N 79.90917°W / 40.46722; -79.90917 (Larimer Avenue Bridge)
PA-489 Schenley Park Bridge over Panther Hollow 1896 1999 Panther Hollow Road Panther Hollow Pittsburgh Allegheny 40°26′13″N 79°56′48″W / 40.43694°N 79.94667°W / 40.43694; -79.94667 (Schenley Park Bridge over Panther Hollow)
PA-490-A Three Sisters Bridges, Sixth Street Bridge 1928 1999 Sixth Street Allegheny River Pittsburgh Allegheny 40°26′44″N 80°00′12″W / 40.44556°N 80.00333°W / 40.44556; -80.00333 (Sixth Street Bridge)
PA-490-B Three Sisters Bridges, Seventh Street Bridge 1926 1999 Seventh Street Allegheny River Pittsburgh Allegheny 40°26′46″N 80°00′05″W / 40.44611°N 80.00139°W / 40.44611; -80.00139 (Seventh Street Bridge)
PA-490-C Three Sisters Bridges, Ninth Street Bridge 1926 1999 Ninth Street Allegheny River Pittsburgh Allegheny 40°26′48″N 79°59′59″W / 40.44667°N 79.99972°W / 40.44667; -79.99972 (Ninth Street Bridge)
PA-491 Pleasantville Covered Bridge 1852 1999 SR 1030 (Covered Bridge Road) Manatawny Creek Oley Township Berks 40°22′44″N 75°44′21″W / 40.37889°N 75.73917°W / 40.37889; -75.73917 (Pleasantville Covered Bridge)
PA-492 Gay Street Bridge (replaced) 1926 1999 PA 113 (Gay Street) French Creek Phoenixville Chester 40°08′07″N 75°31′07″W / 40.13528°N 75.51861°W / 40.13528; -75.51861 (Gay Street Bridge)
PA-493-B Phoenix Iron Company, French Creek Bridge 1999 Schuylkill River Trail French Creek Phoenixville Chester 40°08′08″N 75°31′03″W / 40.13556°N 75.51750°W / 40.13556; -75.51750 (Phoenix Iron Company, French Creek Bridge)
PA-494 Franklin Street Bridge 1939 1999 PA 8 (Franklin Street) Oil Creek Titusville Crawford 41°37′22″N 79°40′24″W / 41.62278°N 79.67333°W / 41.62278; -79.67333 (Franklin Street Bridge)
PA-495 Pine Creek Bridge (abandoned) 1876 1999 TR 993 (Messerall Road) Pine Creek Titusville Crawford 41°37′20″N 79°38′10″W / 41.62222°N 79.63611°W / 41.62222; -79.63611 (Pine Creek Bridge)
PA-496 Wiconisco Canal Aqueduct No. 3 1840 1999 PA 147 (River Road) Powell Creek Halifax Dauphin 40°24′35″N 76°59′03″W / 40.40972°N 76.98417°W / 40.40972; -76.98417 (Wiconisco Canal Aqueduct No. 3)
PA-497 Mulberry Street Viaduct 1909 1999 SR 3012 (Mulberry Street) Paxton Creek and PA 230 (Cameron Street) Harrisburg Dauphin 40°15′40″N 76°52′30″W / 40.26111°N 76.87500°W / 40.26111; -76.87500 (Mulberry Street Viaduct)
PA-498 Harrison Avenue Bridge 1922 1999 SR 6011 (Harrison Avenue) Roaring Brook Scranton Lackawanna 41°24′00″N 75°39′05″W / 41.40000°N 75.65139°W / 41.40000; -75.65139 (Harrison Avenue Bridge)
PA-499 Pond Creek Bridge 1938 1999 SR 2016 (Bear Lake Road) Pond Creek Thornhurst Lackawanna 41°13′01″N 75°37′07″W / 41.21694°N 75.61861°W / 41.21694; -75.61861 (Pond Creek Bridge)
PA-500 Big Conestoga Creek Bridge No. 12 1917 1999 SR 1010 (Farmersville Road) Conestoga River Brownstown Lancaster 40°07′40″N 76°11′59″W / 40.12778°N 76.19972°W / 40.12778; -76.19972 (Big Conestoga Creek Bridge No. 12)
PA-501 Mill Creek Bridge 1885 1999 SR 2004 (River Street) Mill Creek Wilkes-Barre Luzerne 41°15′37″N 75°52′03″W / 41.26028°N 75.86750°W / 41.26028; -75.86750 (Mill Creek Bridge)
PA-502 Northampton Street Bridge 1896 1999 Northampton Street Delaware River Easton, Pennsylvania, and Phillipsburg, New Jersey Northampton County, Pennsylvania, and Warren County, New Jersey 40°41′29″N 75°12′14″W / 40.69139°N 75.20389°W / 40.69139; -75.20389 (Northampton Street Bridge)
PA-503 University Avenue Bridge 1933 1999 SR 3003 (University Avenue) Schuylkill River Philadelphia Philadelphia 39°56′30″N 75°11′52″W / 39.94167°N 75.19778°W / 39.94167; -75.19778 (University Avenue Bridge)
PA-504 Walnut Lane Bridge 1908 1999 SR 4013 (Walnut Lane) Wissahickon Creek Philadelphia Philadelphia 40°01′56″N 75°11′59″W / 40.03222°N 75.19972°W / 40.03222; -75.19972 (Walnut Lane Bridge)
PA-508 Bessemer and Lake Erie Railroad, Allegheny River Bridge 1918 2000 Bessemer and Lake Erie Railroad Allegheny River Oakmont Allegheny 40°32′15″N 79°49′15″W / 40.53750°N 79.82083°W / 40.53750; -79.82083 (Bessemer & Lake Erie Railroad Bridge)
PA-509 Ohio Connecting Railway, Brunot's Island Bridge 1890 2000 Norfolk Southern Railway Ohio River and Brunot Island Pittsburgh Allegheny 40°27′46″N 80°02′34″W / 40.46278°N 80.04278°W / 40.46278; -80.04278 (Ohio Connecting Railroad Bridge)
PA-510 Beaver Bridge 1910 2000 CSX Transportation Ohio River Beaver Beaver 40°41′34″N 80°17′27″W / 40.69278°N 80.29083°W / 40.69278; -80.29083 (Beaver Bridge)
PA-511 Pittsburgh, Fort Wayne and Chicago Railway, Beaver River Bridge 1926 2000 Norfolk Southern Railway Beaver River New Brighton Beaver 40°44′23″N 80°19′10″W / 40.73972°N 80.31944°W / 40.73972; -80.31944 (Beaver River Bridge)
PA-512 Morrisville–Trenton Railroad Bridge 1903 2000 Amtrak Northeast Corridor, etc. Delaware River Morrisville, Pennsylvania, and Trenton, New Jersey Bucks County, Pennsylvania, and Mercer County, New Jersey 40°12′30″N 74°46′02″W / 40.20833°N 74.76722°W / 40.20833; -74.76722 (Morrisville–Trenton Railroad Bridge)
PA-513 West Trenton Railroad Bridge 1913 2000 SEPTA West Trenton Line Delaware River Yardley, Pennsylvania, and Ewing Township, New Jersey Bucks County, Pennsylvania, and Mercer County, New Jersey 40°14′30″N 74°49′27″W / 40.24167°N 74.82417°W / 40.24167; -74.82417 (West Trenton Railroad Bridge)
PA-517 Stone Bridge (Johnstown, Pennsylvania) 1888 2000 Norfolk Southern Railway Conemaugh River Johnstown Cambria 40°19′57″N 78°55′30″W / 40.33250°N 78.92500°W / 40.33250; -78.92500 (Stone Bridge (Johnstown, Pennsylvania))
PA-518 Brandywine Valley Viaduct 1904 2000 Former Pennsylvania Railroad Philadelphia and Thorndale Branch Brandywine River and US 322 Downingtown Chester 39°59′42″N 75°41′57″W / 39.99500°N 75.69917°W / 39.99500; -75.69917 (Brandywine Valley Viaduct)
PA-519 French Creek Trestle 1892 2000 Former Pennsylvania Railroad Schuylkill Branch French Creek Phoenixville Chester 40°08′04″N 75°31′35″W / 40.13444°N 75.52639°W / 40.13444; -75.52639 (French Creek Trestle)
PA-521 Pickering Creek Trestle 1883 2000 Former Pennsylvania Railroad Schuylkill Branch Pickering Creek and PA 29 Pickering Chester 40°06′22″N 75°31′49″W / 40.10611°N 75.53028°W / 40.10611; -75.53028 (Pickering Creek Trestle)
PA-522 Whitford Bridge 1905 2000 Former Pennsylvania Railroad Philadelphia and Thorndale Branch SEPTA Paoli/Thorndale Line Whitford (Exton) Chester 40°00′53″N 75°38′19″W / 40.01472°N 75.63861°W / 40.01472; -75.63861 (Whitford Bridge)
PA-523 Philadelphia and Reading Railroad, Susquehanna River Bridge 1924 2000 Norfolk Southern Railway Susquehanna River Harrisburg Dauphin 40°14′57″N 76°52′58″W / 40.24917°N 76.88278°W / 40.24917; -76.88278 (Philadelphia & Reading Railroad Bridge)
PA-524 Rockville Bridge 1902 2000 Amtrak Keystone Service Susquehanna River Rockville Dauphin 40°20′00″N 76°54′37″W / 40.33333°N 76.91028°W / 40.33333; -76.91028 (Rockville Bridge)
PA-525 Chester Creek Bridge 1907 2000 Former Chester and Delaware River Railroad Chester Creek Chester Delaware 39°50′38″N 75°21′34″W / 39.84389°N 75.35944°W / 39.84389; -75.35944 (Chester Creek Bridge)
PA-526 Darby River Bridge 1918 2000 Former Philadelphia, Baltimore and Washington Railroad Darby Creek Eddystone Delaware 39°51′54″N 75°18′48″W / 39.86500°N 75.31333°W / 39.86500; -75.31333 (Darby River Bridge)
PA-527 Elk Creek Trestle 1902 2000 Former New York, Chicago and St. Louis Railroad Elk Creek Lake City Erie 42°00′13″N 80°20′56″W / 42.00361°N 80.34889°W / 42.00361; -80.34889 (Elk Creek Trestle)
PA-528 New Geneva Bridge 1913 2000 Former Monongahela Railroad Monongahela River Nicholson Township Fayette and Greene 39°46′52″N 79°56′05″W / 39.78111°N 79.93472°W / 39.78111; -79.93472 (New Geneva Bridge)
PA-529 Mount Union Bridge 1906 2000 Former Pennsylvania Railroad Juniata River Mount Union Huntingdon and Mifflin 40°23′02″N 77°52′24″W / 40.38389°N 77.87333°W / 40.38389; -77.87333 (Mount Union Bridge)
PA-530 Conestoga Creek Viaduct 1888 2000 Amtrak Keystone Service Conestoga River Lancaster Lancaster 40°03′00″N 76°16′41″W / 40.05000°N 76.27806°W / 40.05000; -76.27806 (Conestoga Creek Viaduct)
PA-531 Safe Harbor Trestle 1905 2000 Former Atglen and Susquehanna Railroad Conestoga River Safe Harbor Lancaster 39°55′31″N 76°23′03″W / 39.92528°N 76.38417°W / 39.92528; -76.38417 (Safe Harbor Trestle)
PA-532 Beaver River Bridge 1897 2000 Former Pittsburgh, Youngstown and Ashtabula Railroad Beaver River Wampum Lawrence 40°53′15″N 80°20′03″W / 40.88750°N 80.33417°W / 40.88750; -80.33417 (Beaver River Bridge)
PA-533 Allegheny River Bridge 1900 2000 Former Western New York and Pennsylvania Railway Allegheny River Eldred McKean 41°54′06″N 78°23′06″W / 41.90167°N 78.38500°W / 41.90167; -78.38500 (Allegheny River Bridge)
PA-534 Granville Bridge 1905 2000 Former Pennsylvania Railroad Juniata River Lewistown Mifflin 40°34′25″N 77°35′19″W / 40.57361°N 77.58861°W / 40.57361; -77.58861 (Mount Union Bridge)
PA-535 Bridgeport Bridge 1912 2000 SEPTA Norristown High Speed Line Schuylkill River Bridgeport Montgomery 40°06′38″N 75°20′47″W / 40.11056°N 75.34639°W / 40.11056; -75.34639 (Bridgeport Bridge)
PA-536 Mill Creek Bridge 1863 2000 Former Philadelphia and Reading Railroad Mill Creek Gladwyne Montgomery 40°02′42″N 75°15′23″W / 40.04500°N 75.25639°W / 40.04500; -75.25639 (Mill Creek Bridge)
PA-537 Manatawny Creek Bridge 1847 2000 Former Philadelphia and Reading Railroad Manatawny Creek Pottstown Montgomery 40°14′46″N 75°39′25″W / 40.24611°N 75.65694°W / 40.24611; -75.65694 (Manatawny Creek Bridge)
PA-538 Trenton Cutoff 1891 2000 Norfolk Southern Railway Schuylkill River Swedesburg Montgomery 40°06′10″N 75°19′30″W / 40.10278°N 75.32500°W / 40.10278; -75.32500 (Trenton Cutoff bridge)
PA-540 Lehigh River Bridge 1899 2000 Former Easton and Northern Railroad Lehigh River Easton Northampton 40°41′03″N 75°13′10″W / 40.68417°N 75.21944°W / 40.68417; -75.21944 (Lehigh River Bridge)
PA-541 Delaware River Viaduct 1911 2000 Former Delaware, Lackawanna and Western Railroad Lackawanna Cut-Off Delaware River Portland, Pennsylvania, and Columbia, New Jersey Northampton County, Pennsylvania, and Warren County, New Jersey 40°56′15″N 75°06′21″W / 40.93750°N 75.10583°W / 40.93750; -75.10583 (Delaware River Viaduct)
PA-542 Lehigh River Bridge at Easton 1899 2000 Former Central Railroad of New Jersey Lehigh River Easton Northampton 40°41′13″N 75°12′32″W / 40.68694°N 75.20889°W / 40.68694; -75.20889 (Lehigh River Bridge at Easton)
PA-543 Lehigh Valley Railroad, Delaware River Bridge 1866 2000 Former Lehigh Valley Railroad Delaware River Easton, Pennsylvania, and Phillipsburg, New Jersey Northampton County, Pennsylvania, and Warren County, New Jersey 40°41′20″N 75°12′11″W / 40.68889°N 75.20306°W / 40.68889; -75.20306 (Lehigh Valley Railroad Bridge)
PA-544 Martins Creek Bridge 1896 2000 Former Bangor and Portland Railway Martins Creek Martins Creek Northampton 40°46′40″N 75°10′33″W / 40.77778°N 75.17583°W / 40.77778; -75.17583 (Martins Creek Bridge)
PA-545 Delair Bridge 1889 2000 New Jersey Transit Atlantic City Line, etc. Delaware River Philadelphia, Pennsylvania, and Pennsauken Township, New Jersey Philadelphia County, Pennsylvania, and Camden County, New Jersey 39°58′57″N 75°04′09″W / 39.98250°N 75.06917°W / 39.98250; -75.06917 (Delair Bridge)
PA-546 52nd Street Bridge 1902 2000 SEPTA Cynwyd Line SEPTA Paoli/Thorndale Line Philadelphia Philadelphia 39°58′44″N 75°13′41″W / 39.97889°N 75.22806°W / 39.97889; -75.22806 (52nd Street Bridge)
PA-547 Gray's Ferry Bridge 1902 2000 Former Philadelphia, Wilmington and Baltimore Railroad Schuylkill River Philadelphia Philadelphia 39°56′28″N 75°12′18″W / 39.94111°N 75.20500°W / 39.94111; -75.20500 (Gray's Ferry Bridge)
PA-548 Island Road Bridge 1913 2000 Former Philadelphia, Baltimore and Washington Railroad Island Road Philadelphia Philadelphia 39°54′56″N 75°14′42″W / 39.91556°N 75.24500°W / 39.91556; -75.24500 (Island Road Bridge)
PA-549 25th Street Elevated 1928 2000 CSX Harrisburg Subdivision S. 25th Street Philadelphia Philadelphia 39°55′54″N 75°11′13″W / 39.93167°N 75.18694°W / 39.93167; -75.18694 (25th Street Elevated)
PA-550 Connecting Railway, Reading Railroad Overpass 1867 2000 Amtrak Northeast Corridor, etc. CSX Trenton Subdivision Philadelphia Philadelphia 39°58′40″N 75°11′31″W / 39.97778°N 75.19194°W / 39.97778; -75.19194 (Connecting Railway, Reading Railroad Overpass)
PA-551 Manayunk Bridge 1918 2000 Former Cynwyd Line Schuylkill River and Schuylkill Expressway Philadelphia Philadelphia 40°01′31″N 75°13′35″W / 40.02528°N 75.22639°W / 40.02528; -75.22639 (Manayunk Bridge)
PA-552 Philadelphia and Reading Railroad, Mule Bridge 1889 2000 Schuylkill River Philadelphia Philadelphia 40°01′19″N 75°13′10″W / 40.02194°N 75.21944°W / 40.02194; -75.21944 (Mule Bridge)
PA-553 Philadelphia and Reading Railroad, Bridge at West Falls 1890 2000 CSX Trenton Subdivision Schuylkill River Philadelphia Philadelphia 40°00′23″N 75°11′33″W / 40.00639°N 75.19250°W / 40.00639; -75.19250 (Bridge at West Falls)
PA-554 Selinsgrove Bridge 1892 2000 Norfolk Southern Railway Susquehanna River Selinsgrove Snyder 40°48′05″N 76°50′44″W / 40.80139°N 76.84556°W / 40.80139; -76.84556 (Selinsgrove Bridge)
PA-555 Pennsylvania Railroad, Brilliant Cut-Off, South Wye 1903 2000 Former Pennsylvania Railroad Lincoln Avenue Pittsburgh Allegheny 40°27′44″N 79°54′18″W / 40.46222°N 79.90500°W / 40.46222; -79.90500 (Brilliant Cutoff Viaduct of the Pennsylvania Railroad)
PA-556 West Brownsville Junction Bridge 1912 2000 Former Pennsylvania Railroad Monongahela River West Brownsville Washington 40°02′02″N 79°52′35″W / 40.03389°N 79.87639°W / 40.03389; -79.87639 (West Brownsville Junction Bridge)
PA-579 Elk Park Road Bridge 1927 2001 Elk Park Road Elk Creek Lake City Erie 42°00′23″N 80°21′12″W / 42.00639°N 80.35333°W / 42.00639; -80.35333 (Elk Park Road Bridge)
PA-580 Fallston Bridge 1884 2001 Front Street Beaver River Fallston Beaver 40°43′39″N 80°18′36″W / 40.72750°N 80.31000°W / 40.72750; -80.31000 (Fallston Bridge)
PA-586 Pine Grove Bridge 1884 2002 Ashville Road and Forge Road East Branch Octoraro Creek Pine Grove and Oxford Lancaster and Chester 39°47′37″N 76°02′41″W / 39.79361°N 76.04472°W / 39.79361; -76.04472 (Pine Grove Bridge)
PA-587 Dreibelbis Station Bridge 1869 2002 TR 745 (Balthaser Road) Maiden Creek Lenhartsville Berks 40°33′17″N 75°52′48″W / 40.55472°N 75.88000°W / 40.55472; -75.88000 (Dreibelbis Station Bridge)
PA-588 Uhlerstown Bridge 1856 2002 Uhlerstown Hill Road Delaware Canal Tinicum Township Bucks 40°31′32″N 75°04′23″W / 40.52556°N 75.07306°W / 40.52556; -75.07306 (Uhlerstown Bridge)
PA-589 Weaverland Bridge 1916 2002 TR 894 (Quarry Road) Conestoga River Weaverland Lancaster 40°08′16″N 76°03′34″W / 40.13778°N 76.05944°W / 40.13778; -76.05944 (Weaverland Bridge)
PA-590 Mowersville Road Bridge (demolished) 1897 2002 TR 644 (Mowersville Road) Paxton Run Mowersville Franklin 40°06′56″N 77°35′04″W / 40.11556°N 77.58444°W / 40.11556; -77.58444 (Mowersville Road Bridge)
PA-591 Yeakle Mill Bridge 1888 2002 SR 3026 (Mill Road) Little Cove Creek Warren Township Franklin 39°44′03″N 78°02′11″W / 39.73417°N 78.03639°W / 39.73417; -78.03639 (Yeakle Mill Bridge)
PA-612 South High Street Bridge 1889 2003 South High Street Little Juniata River Duncannon Perry 40°23′23″N 77°01′55″W / 40.38972°N 77.03194°W / 40.38972; -77.03194 (South High Street Bridge)
PA-613 Ross Fording Bridge 1885 2003 SR 3052 (Ross Fording Road) Octoraro Creek Sadsburyville Chester 39°52′58″N 75°59′30″W / 39.88278°N 75.99167°W / 39.88278; -75.99167 (Ross Fording Bridge)
PA-614 Pine Creek Bridge 1889 2003 SR 3003 (River Road) Pine Creek Jersey Shore Lycoming 41°10′51″N 77°16′44″W / 41.18083°N 77.27889°W / 41.18083; -77.27889 (Pine Creek Bridge)
PA-615 Slates' Mill Bridge 1885 2003 TR 439 South Branch Tunkhannock Creek Benton Township Lackawanna 41°33′29″N 75°43′08″W / 41.55806°N 75.71889°W / 41.55806; -75.71889 (Slates' Mill Bridge)
PA-616 Peevy Road Bridge 1880 2003 Peevy Road Perkiomen Creek East Greenville Montgomery 40°24′52″N 75°31′26″W / 40.41444°N 75.52389°W / 40.41444; -75.52389 (Peevy Road Bridge)
PA-617 Canal Road Bridge 1900 2003 Canal Road Delaware Division Canal Williams Township Northampton 40°38′10″N 75°11′34″W / 40.63611°N 75.19278°W / 40.63611; -75.19278 (Canal Road Bridge)
PA-618 Johnston Street Bridge 1890 2003 Johnston Street Salt Lick Creek New Milford Susquehanna 41°52′51″N 75°43′49″W / 41.88083°N 75.73028°W / 41.88083; -75.73028 (Johnston Street Bridge)
PA-619 Morris Run Bridge 1908 2003 TR 417 (Rickerts Road) Little Juniata River Hilltown Township Bucks 40°22′1″N 75°13′13″W / 40.36694°N 75.22028°W / 40.36694; -75.22028 (Morris Run Bridge)
PA-620 River Road Bridge 1898 2003 River Road Spring Creek Spring Creek Township Elk 41°24′02″N 78°55′58″W / 41.40056°N 78.93278°W / 41.40056; -78.93278 (River Road Bridge)
PA-622 Kidd's Mill Bridge[lower-alpha 4] 1868 2003 TR 653 (Kidd's Mill Road) Shenango River Greenville Mercer 41°21′13″N 80°23′52″W / 41.35361°N 80.39778°W / 41.35361; -80.39778 (Kidd's Mill Bridge)
PA-623 Mean's Ford Bridge 1869 2003 Stump Road Tohickon Creek Ralph Stover State Park Bucks 40°26′06″N 75°05′50″W / 40.43500°N 75.09722°W / 40.43500; -75.09722 (Mean's Ford Bridge)
PA-624 Academia Bridge 1902 2003 Bypassed TR 334 (Mill Hill Road) Tuscarora Creek Spruce Hill and Beale townships Juniata 40°29′37″N 77°28′21″W / 40.49361°N 77.47250°W / 40.49361; -77.47250 (Academia Bridge)
PA-625 Six Penny Bridge 1907 2003 School Street Sixpenny Creek Union Township Berks 40°15′27″N 75°46′13″W / 40.25750°N 75.77028°W / 40.25750; -75.77028 (Six Penny Bridge)
PA-626 Williams Road Bridge 1912 2003 TR 627 (Williams Road) Sugar Creek Middle Branch Plum Township Venango 41°34′16″N 79°51′38″W / 41.57111°N 79.86056°W / 41.57111; -79.86056 (Williams Road Bridge)
PA-627 Center Street Bridge 1896 2003 Center Street Conneaut Creek Conneautville Crawford 41°45′23″N 80°22′15″W / 41.75639°N 80.37083°W / 41.75639; -80.37083 (Center Street Bridge)
PA-628 Monastery Road Bridge 1896 2003 Monastery Road Former Pennsylvania Railroad Lloydsville Westmoreland 40°18′18″N 79°24′15″W / 40.30500°N 79.40417°W / 40.30500; -79.40417 (Monastery Road Bridge)
PA-629 Keggereis Ford Bridge 1907 2003 SR 4006 (Stone Bridge Road) West Branch Conococheague Creek Metal Township Franklin 40°07′16″N 77°46′39″W / 40.12111°N 77.77750°W / 40.12111; -77.77750 (Keggereis Ford Bridge)
PA-630 Big Chickies Bridge 1916 2003 Auction Road Chiques Creek Lancaster Junction Lancaster 40°7′51″N 76°24′21″W / 40.13083°N 76.40583°W / 40.13083; -76.40583 (Big Chickies Bridge)
PA-631 Roaring Creek Bridge 1913 2003 SR 2005 Roaring Creek Slabtown Junction Columbia 40°54′27″N 76°24′44″W / 40.90750°N 76.41222°W / 40.90750; -76.41222 (Roaring Creek Bridge)
PA-633 Seitzville Road Bridge 1910 2003 Seitzville Road South Branch Codorus Creek Seven Valleys York 39°49′46″N 76°45′40″W / 39.82944°N 76.76111°W / 39.82944; -76.76111 (Seitzville Road Bridge)
PA-638 King's Bridge 1806 2005 Bypassed PA 653 Laurel Hill Creek Middlecreek Township Somerset 39°56′15″N 79°16′17″W / 39.93750°N 79.27139°W / 39.93750; -79.27139 (King's Bridge)
PA-645 Structural Study of Smith Trusses 2012 Structural analyses of Kidd's Mill Bridge, etc. Greenville Mercer

See also

Notes

  1. ↑ See also Historic American Engineering Record (HAER) No. PA-478, "Structural Study of Pennsylvania Historic Bridges"
  2. ↑ See also Historic American Engineering Record (HAER) No. PA-478, "Structural Study of Pennsylvania Historic Bridges"
  3. ↑ See also Historic American Engineering Record (HAER) No. PA-478, "Structural Study of Pennsylvania Historic Bridges"
  4. ↑ See also Historic American Engineering Record (HAER) No. PA-645, "Structural Study of Smith Trusses"

References

  1. ↑ Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey". Retrieved January 5, 2014.
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