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
LANIGAN RUN Pennsylvania Poor 1948 78 23
TUNUNGWANT CREEK Pennsylvania Fair 1948 78 2,305
OVER SHENANGO RIVER TRIB Pennsylvania Fair 1948 78 6,906
OVER SPRING CREEK Pennsylvania Poor 1948 78 3,889
OVER YELLOW CREEK Pennsylvania Fair 1948 78 3,760
CARTERS RUN Pennsylvania Fair 1948 78 5,994
CARTERS RUN Pennsylvania Fair 1948 78 5,213
BUCK HILL CREEK Pennsylvania Fair 1948 78 390
SCOT RUN Pennsylvania Fair 1948 78 11,830
SCOT RUN Pennsylvania Fair 1948 78 21,965
SCOT RUN Pennsylvania Fair 1948 78 21,965
SCOT RUN Pennsylvania Good 1948 78 21,965
WEIR CREEK Pennsylvania Fair 1948 78 904
POHOPOCO CREEK Pennsylvania Fair 1948 78 904
TRIB. TO SCHLEGEL RUN Pennsylvania Fair 1948 78 100
SECHLER RUN Pennsylvania Good 1948 78 3,957
MONOCACY CREEK Pennsylvania Fair 1948 78 400
DRY RUN Pennsylvania Fair 1948 78 460
SCHWABEN CREEK Pennsylvania Poor 1948 78 65
BUFFALO CREEK Pennsylvania Good 1948 78 333
WILDCAT RUN Pennsylvania Poor 1948 78 401
TRIB BUFFALO CREEK Pennsylvania Poor 1948 78 252
OUTLET SAWKILL POND Pennsylvania Good 1948 78 1,909
SOUTH BRANCH MIDDLE CRK Pennsylvania Fair 1948 78 1,099
MIDDLE CREEK Pennsylvania Good 1948 78 344
TRIBUTARY MIDDLE CREEK Pennsylvania Fair 1948 78 388
TRIBUTARY MIDDLE CREEK Pennsylvania Fair 1948 78 388
W. BR. MAHANTANGO Pennsylvania Poor 1948 78 75
CSX RAILROAD Pennsylvania Poor 1948 78 205
MEYLERT CREEK Pennsylvania Fair 1948 78 4,442
SALT LICK CREEK Pennsylvania Good 1948 78 5,124
BRANCH SALT LICK CREEK Pennsylvania Good 1948 78 5,124
TUSCARORA CREEK Pennsylvania Good 1948 78 392
BRANCH TUSCARORA CREEK Pennsylvania Poor 1948 78 210
OVER MITCHELL CREEK Pennsylvania Fair 1948 78 3,465
NORTH FORK CREEK Pennsylvania Fair 1948 78 4,304
COWANESQUE RIVER Pennsylvania Good 1948 78 4,910
OVER BR BALDWIN RUN Pennsylvania Fair 1948 78 4,777
BLACK RUN Pennsylvania Fair 1948 78 2,489
OVER SPRUCE RUN Pennsylvania Fair 1948 78 2,792
OVER SWEITZERS RUN Pennsylvania Poor 1948 78 1,383
OVER DUTCHMANS RUN Pennsylvania Poor 1948 78 6,433
LITTLE CHARTIERS CREEK Pennsylvania Fair 1948 78 20,663
DRY RUN Pennsylvania Fair 1948 78 2,911
ROBINSON FORK Pennsylvania Poor 1948 78 476
RACCOON CREEK Pennsylvania Fair 1948 78 588
EAST BR LACKAWANNA RIVER Pennsylvania Poor 1948 78 775
SHEHAWKEN CREEK Pennsylvania Fair 1948 78 1,179
BRUSH RUN Pennsylvania Fair 1948 78 9,597
SR 0092 TR 92 Pennsylvania Good 1948 78 2,682

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.