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
BOBS CREEK Pennsylvania Poor 1936 90 251
MORGAN CREEK Pennsylvania Poor 1936 90 35,087
BEAVER RUN Pennsylvania Poor 1936 90 30,549
BRANCH NESHAMINY CREEK Pennsylvania Fair 1936 90 9,883
THREE MILE RUN Pennsylvania Fair 1936 90 9,840
RIDGE VALLEY CREEK Pennsylvania Fair 1936 90 100
TRIB OF WOLF CREEK Pennsylvania Fair 1936 90 4,083
FINDLAY RUN Pennsylvania Poor 1936 90 100
ANDERSON RUN Pennsylvania Poor 1936 90 200
SANDY RUN Pennsylvania Fair 1936 90 75
STEWART CREEK Pennsylvania Fair 1936 90 419
HICKORY RUN Pennsylvania Fair 1936 90 50
WALLACE RUN Pennsylvania Fair 1936 90 250
LITTLE FISHING CREEK Pennsylvania Poor 1936 90 150
ROARING RUN Pennsylvania Fair 1936 90 200
RED CLAY CREEK Pennsylvania Fair 1936 90 1,485
BENNETT BRANCH Pennsylvania Fair 1936 90 3,403
W BR SUSQUEHANNA RIVER Pennsylvania Fair 1936 90 240
MOSQUITO CREEK Pennsylvania Fair 1936 90 15
OVER FISHING CREEK Pennsylvania Fair 1936 90 6,786
OVER BLACK RUN Pennsylvania Fair 1936 90 115
LITTLE BRIER RUN Pennsylvania Poor 1936 90 122
GREEN CREEK Pennsylvania Poor 1936 90 50
TEN MILE RUN Pennsylvania Poor 1936 90 100
OVER FRENCH CREEK Pennsylvania Poor 1936 90 5,823
OVER LITTLE FEDERAL RUN Pennsylvania Good 1936 90 310
OVER MOSEY RUN Pennsylvania Poor 1936 90 310
OVER CONNEAUT CREEK BR Pennsylvania Fair 1936 90 151
OVER MID BR CONN CREEK Pennsylvania Good 1936 90 151
OVER CONNEAUT CREEK BR Pennsylvania Fair 1936 90 151
OVER FRENCH CREEK Pennsylvania Poor 1936 90 9,000
HOGESTOWN RUN Pennsylvania Fair 1936 90 11,581
SPRING CREEK Pennsylvania Fair 1936 90 14,631
OVER CROOKED CREEK Pennsylvania Fair 1936 90 1,409
OVER B&LE R.R.& RUN Pennsylvania Fair 1936 90 2,871
MCINTIRE RUN Pennsylvania Good 1936 90 522
OVER MINISTER CREEK Pennsylvania Fair 1936 90 139
BARNETTS RUN Pennsylvania Poor 1936 90 536
S BR LITTLE AUGHWICK CRK Pennsylvania Good 1936 90 845
S.BR.L. AUGHWICK CREEK Pennsylvania Fair 1936 90 845
TUSCARORA CREEK Pennsylvania Fair 1936 90 58
HARES VALLEY CREEK Pennsylvania Fair 1936 90 435
WARRIORS MARK RUN Pennsylvania Fair 1936 90 300
LAUREL RUN Pennsylvania Fair 1936 90 50
BIG RUN Pennsylvania Fair 1936 90 2,634
TEARING RUN Pennsylvania Poor 1936 90 395
MUDDY RUN Pennsylvania Fair 1936 90 98
MITCHELL RUN Pennsylvania Fair 1936 90 495
SOLDIER RUN Pennsylvania Fair 1936 90 4,344
SOLDIER RUN Pennsylvania Fair 1936 90 4,344

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.