Historic Bridges in Pennsylvania

6,062 bridges built before 1951 in Pennsylvania still in service today.

Bridges Built Before 1951

The United States has 6,062 bridges in Pennsylvania built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
CHERRY RUN Pennsylvania Poor 1915 111 25
FROMAN RUN Pennsylvania Fair 1915 111 7,022
FROMAN RUN Pennsylvania Fair 1915 111 7,022
BUFFALO CREEK Pennsylvania Fair 1915 111 1,746
BUFFALO CREEK Pennsylvania Good 1915 111 38
BUFFALO CREEK TRIB. Pennsylvania Poor 1915 111 90
BEAVER RUN Pennsylvania Poor 1915 111
WHITEHORN CREEK Pennsylvania Poor 1915 111 30
JACKS RUN Pennsylvania Poor 1915 111 100
BENNETT RUN Pennsylvania Fair 1915 111 341
BEAVER CREEK Pennsylvania Fair 1915 111 298
SO BRANCH CODORUS CREEK Pennsylvania Fair 1915 111 1,238
SW DRAINAGE CANAL Pennsylvania Fair 1915 111 29,821
DRAINAGE CANAL Pennsylvania Fair 1915 111
CONRAIL (TRACK REMOVED) Pennsylvania Good 1915 111 7,100
CONRAIL Pennsylvania Fair 1915 111 3,600
Wissahickon Creek Pennsylvania Poor 1915 111 100
FDR Park Lake Pennsylvania Fair 1915 111 300
FDR Park Lake Pennsylvania Fair 1915 111 10
FDR Park Lake Pennsylvania Fair 1915 111 300
Hollander Creek Pennsylvania Fair 1915 111 300
Hollander Creek Pennsylvania Fair 1915 111 300
WHEELING CREEK TRIB Pennsylvania Fair 1915 111 30
TENMILE CREEK Pennsylvania Poor 1915 111 20
GOSHENHOPPEN CREEK Pennsylvania Fair 1915 111 1,000
THORN CREEK Pennsylvania Poor 1915 111 300
LEAK RUN Pennsylvania Fair 1916 110 5,157
BIG PUCKETA CREEK Pennsylvania Fair 1916 110 440
BIG SEWICKLEY CREEK Pennsylvania Fair 1916 110 408
TRIB TO ALLEGHENY RIVER Pennsylvania Fair 1916 110 159
RACCOON CREEK Pennsylvania Fair 1916 110 50
LAKE GORDON Pennsylvania Fair 1916 110 159
NORFOLK/SOUTHERN RR Pennsylvania Poor 1916 110 7,121
NORFOLK SOUTHERN Pennsylvania Fair 1916 110 6,878
SEPTA WEST TRENTON BR. Pennsylvania Poor 1916 110 8,438
LITTL CONNOQUENESSING CR Pennsylvania Poor 1916 110 100
MULLIGAN RUN Pennsylvania Fair 1916 110 50
B&P RAILROAD Pennsylvania Poor 1916 110 50
SCHUYLKILL RIVER Pennsylvania Fair 1916 110 6,319
BRANCH WHITE CLAY CREEK Pennsylvania Fair 1916 110 1,211
OFFICERS RUN Pennsylvania Fair 1916 110 2,465
RAILROAD WILMINGTON BR. Pennsylvania Poor 1916 110 833
BEAVER CREEK Pennsylvania Fair 1916 110 1,979
BEAVER CREEK Pennsylvania Good 1916 110 391
STONY RUN Pennsylvania Fair 1916 110 1,235
PIGEON CREEK Pennsylvania Fair 1916 110 264
EAST BRANCH CHESTER CRK. Pennsylvania Fair 1916 110 2,300
OVER SHENANGO RIVER N BR Pennsylvania Fair 1916 110 3,887
OVER MILL RUN Pennsylvania Fair 1916 110 2,500
OVER MILL RUN Pennsylvania Poor 1916 110 1,500

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.