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
OVER SCHWABEN CREEK Pennsylvania Fair 1940 86 679
HOUSTON RUN Pennsylvania Fair 1940 86 398
BUCKWHEAT RUN Pennsylvania Good 1940 86 546
LITTLE BUFFALO CREEK Pennsylvania Fair 1940 86 804
WILDCAT CREEK Pennsylvania Fair 1940 86 75
MONTOUR CREEK Pennsylvania Poor 1940 86 100
TRIB TO BILLINGS CREEK Pennsylvania Fair 1940 86 1,278
OUTLET MARCEL LAKE Pennsylvania Fair 1940 86 2,351
BLOOMING GROVE CREEK Pennsylvania Poor 1940 86 553
SPRUCE RUN Pennsylvania Fair 1940 86 50
WHITE BR NORTH FORK CRK Pennsylvania Poor 1940 86 50
GENESEE FORK PINE CREEK Pennsylvania Fair 1940 86 30
ELEVEN MILE CREEK Pennsylvania Fair 1940 86 70
MAHANOY CREEK Pennsylvania Fair 1940 86 5,676
LITTLE SCHUYLKILL RIVER Pennsylvania Fair 1940 86 20,316
LOCUST CREEK Pennsylvania Fair 1940 86 398
MAHANNON CREEK Pennsylvania Poor 1940 86 893
PLUM CREEK Pennsylvania Fair 1940 86 571
MAHONNEY CREEK Pennsylvania Fair 1940 86 969
MAHONNEY CREEK Pennsylvania Fair 1940 86 974
UPPER LITTLE SWATARA CR Pennsylvania Poor 1940 86 1,223
LITTLE MAHANOY CREEK Pennsylvania Poor 1940 86 1,996
CRAB RUN Pennsylvania Fair 1940 86 380
MAHANTANGO CREEK Pennsylvania Fair 1940 86 200
DEEP CREEK Pennsylvania Poor 1940 86 150
SCHUYLKILL RIVER Pennsylvania Poor 1940 86 250
TRIB NO BR MAHANTANGO CR Pennsylvania Good 1940 86 376
NORTH BRANCH MIDDLE CRK Pennsylvania Fair 1940 86 388
OVER TUSCARORA CR. Pennsylvania Poor 1940 86 100
TRIB YOUGHIOGHENY RIVER Pennsylvania Fair 1940 86 256
S.GLADE CREEK Pennsylvania Poor 1940 86 636
N.BR.QUEMAHONING CREEK Pennsylvania Fair 1940 86 20
ROARING FORK Pennsylvania Good 1940 86 50
CASCADA CREEK Pennsylvania Good 1940 86 587
SNAKE CREEK Pennsylvania Poor 1940 86 129
HORTON CREEK Pennsylvania Fair 1940 86 134
DEWING CREEK Pennsylvania Poor 1940 86 765
OVER CROOKED CR. Pennsylvania Fair 1940 86 4,777
CHARLESTON CREEK Pennsylvania Fair 1940 86 150
BEAVER RUN Pennsylvania Fair 1940 86 9,622
BUFFALO CREEK Pennsylvania Fair 1940 86 1,484
OVER PORTER RUN Pennsylvania Poor 1940 86 200
OVER PINE CREEK Pennsylvania Poor 1940 86 1,464
OVER TIONESTA CREEK S BR Pennsylvania Fair 1940 86 1,101
OVER CALDWELL CREEK Pennsylvania Fair 1940 86 100
OVER KIANTONE CREEK Pennsylvania Poor 1940 86 100
OVER GARLAND RUN Pennsylvania Poor 1940 86 100
OVER TIDIOUTE CREEK Pennsylvania Fair 1940 86 250
BRUSH RUN Pennsylvania Fair 1940 86 25,646
BUFFALO CREEK Pennsylvania Fair 1940 86 220

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.