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
CLEARFIELD CREEK Pennsylvania Good 1940 86 1,021
MCKINNON BRANCH Pennsylvania Poor 1940 86 25
BLACK CREEK Pennsylvania Poor 1940 86 512
SPRING CREEK Pennsylvania Fair 1940 86 16,060
ELK CREEK Pennsylvania Poor 1940 86 20
FRENCH CREEK Pennsylvania Fair 1940 86 18,545
WEST BR. RED CLAY CREEK Pennsylvania Fair 1940 86 6,163
EAST BR.RED CLAY CREEK Pennsylvania Fair 1940 86 8,686
BIRCH RUN Pennsylvania Fair 1940 86 920
WHITE CLAY CREEK Pennsylvania Fair 1940 86 200
BUCK RUN Pennsylvania Poor 1940 86 2,800
VALLEY CREEK Pennsylvania Fair 1940 86 150
KNIGHT RUN Pennsylvania Fair 1940 86 460
PAINT CREEK Pennsylvania Fair 1940 86 8,647
TRIB TO PINE CREEK Pennsylvania Fair 1940 86 272
PINEY CREEK Pennsylvania Fair 1940 86 50
TOWN RUN Pennsylvania Poor 1940 86 50
MOSHANNON CREEK Pennsylvania Poor 1940 86 2,492
KRATZER RUN Pennsylvania Fair 1940 86 50
CHERRY RUN Pennsylvania Fair 1940 86 690
LOWER THREE RUNS Pennsylvania Fair 1940 86 75
OVER PINE CREEK Pennsylvania Poor 1940 86 185
TRIB ROARING CREEK Pennsylvania Fair 1940 86 109
SO. BR. ROARING CREEK Pennsylvania Fair 1940 86 120
TEN MILE RUN Pennsylvania Fair 1940 86 120
OVER MONTOUR RUN Pennsylvania Fair 1940 86 70
OVER OIL CREEK Pennsylvania Fair 1940 86 4,638
OVER LITTLE FEDERAL RUN Pennsylvania Poor 1940 86 414
OVER PINE CREEK Pennsylvania Good 1940 86 1,732
LITTLE SANDY CREEK Pennsylvania Fair 1940 86 398
OVER PADAN CREEK TRIB Pennsylvania Fair 1940 86 372
OVER CONNEAUT CREEK E BR Pennsylvania Fair 1940 86 445
OVER STONE RUN Pennsylvania Fair 1940 86 250
OVER PADEN CREEK Pennsylvania Poor 1940 86 250
BURDS RUN Pennsylvania Poor 1940 86 6,688
PAXTON RUN Pennsylvania Fair 1940 86 50
DOUBLING GAP CREEK Pennsylvania Poor 1940 86 200
LETORT SPRING RUN Pennsylvania Fair 1940 86 225
MANADA CREEK Pennsylvania Fair 1940 86 1,321
Norfolk Southern RR Pennsylvania Poor 1940 86 2,176
PAXTON CREEK Pennsylvania Fair 1940 86 26,315
PAXTON CREEK Pennsylvania Poor 1940 86 900
PAXTON CREEK Pennsylvania Poor 1940 86 200
GREEN CREEK Pennsylvania Fair 1940 86 2,079
SEPTA HIGH SPEED LINE Pennsylvania Fair 1940 86 250
SEPTA HIGH SPEED LINE Pennsylvania Fair 1940 86 250
DENTS RUN Pennsylvania Good 1940 86 483
BRANDY CREEK Pennsylvania Fair 1940 86 403
JOHNSON RUN Pennsylvania Poor 1940 86 25
CLINE RUN Pennsylvania Poor 1940 86 300

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.