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
DOUGLAS RUN Pennsylvania Fair 1940 86 1,747
MCLAUGHLIN RUN Pennsylvania Fair 1940 86 16,943
POTATO GARDEN RUN Pennsylvania Fair 1940 86 529
BRUSH CREEK Pennsylvania Good 1940 86 12,100
ABANDONED RR RAVINE Pennsylvania Fair 1940 86 4,214
MCCLARENS RUN Pennsylvania Poor 1940 86 944
PINEY FORK CREEK Pennsylvania Fair 1940 86 200
ZOO WALKWAY Pennsylvania Fair 1940 86 11,200
I-376(WB) FORT PITT BLVD Pennsylvania Fair 1940 86 2,824
CENTER AVENUE Pennsylvania Fair 1940 86 500
SOUTH FORK PINE CREEK Pennsylvania Fair 1940 86 109
COWANSHANNOCK CREEK Pennsylvania Fair 1940 86 697
CAMPBELL RUN Pennsylvania Fair 1940 86 321
CROOKED CREEK Pennsylvania Poor 1940 86 582
NICHOLSON RUN Pennsylvania Fair 1940 86 10
NICHOLSON RUN Pennsylvania Fair 1940 86 100
BENNETT RUN Pennsylvania Good 1940 86 4,106
BRANCH BENNETT RUN Pennsylvania Fair 1940 86 4,106
DUNNING CREEK OVERFLOW Pennsylvania Good 1940 86 623
BEAVER CREEK Pennsylvania Fair 1940 86 624
RAYSTOWN BR. JUNIATA RIV Pennsylvania Fair 1940 86 357
GAP RUN Pennsylvania Good 1940 86 449
T-446 BR.JUNIATA Pennsylvania Fair 1940 86 36,252
SR 2029 Pennsylvania Fair 1940 86 8,598
SHOBERS RUN Pennsylvania Good 1940 86 350
FURNACE CREEK Pennsylvania Fair 1940 86 100
OYSTERVILLE CREEK Pennsylvania Poor 1940 86 207
KAERCHERS CREEK Pennsylvania Poor 1940 86 858
PIGEON CREEK Pennsylvania Fair 1940 86 1,000
PLUM CREEK Pennsylvania Fair 1940 86 517
FOX RUN Pennsylvania Good 1940 86 137
BURGOON RUN Pennsylvania Good 1940 86 3,921
CLOVER CREEK Pennsylvania Fair 1940 86 359
BURGOON RUN Pennsylvania Poor 1940 86 1,424
MARY ANN CREEK Pennsylvania Fair 1940 86 20
SUGAR CREEK Pennsylvania Fair 1940 86 8,792
KENT RUN CREEK Pennsylvania Fair 1940 86 4,215
MONRTNSHIPPERSLIFELINERR Pennsylvania Fair 1940 86 1,267
GULF CREEK Pennsylvania Fair 1940 86 72
SUGAR RUN Pennsylvania Fair 1940 86 50
BRANCH BEAVER RUN Pennsylvania Fair 1940 86 4,987
GALLOWS RUN Pennsylvania Poor 1940 86 350
HOUGHS CREEK Pennsylvania Poor 1940 86 100
GLADE RUN Pennsylvania Good 1940 86 4,488
LIT CONNOQUENESSING CR Pennsylvania Poor 1940 86 647
LARDINTOWN RUN Pennsylvania Good 1940 86 263
TRIB TO BREAKNECK CREEK Pennsylvania Fair 1940 86 7,468
MUDDY CREEK Pennsylvania Fair 1940 86 100
N BR SLIPPERY ROCK CR Pennsylvania Fair 1940 86 50
SLIPPERY ROCK CREEK Pennsylvania Fair 1940 86 100

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.