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
JONES CREEK Pennsylvania Fair 1940 86 7,034
BEAVER DAM CREEK Pennsylvania Fair 1940 86 276
BEAVER DAM CREEK Pennsylvania Good 1940 86 276
MILL CREEK Pennsylvania Fair 1940 86 4,270
MILL CREEK Pennsylvania Good 1940 86 4,422
MILL CREEK Pennsylvania Fair 1940 86 2,429
WILSON RUN Pennsylvania Fair 1940 86 570
SEWICKLEY CREEK Pennsylvania Fair 1940 86 100
PUCKETA CREEK Pennsylvania Poor 1940 86 100
TOMS RUN Pennsylvania Poor 1940 86 126
TRIB W BR CODORUS CREEK Pennsylvania Poor 1940 86 3,216
INNERS CREEK Pennsylvania Fair 1940 86 1,608
DOGWOOD RUN Pennsylvania Fair 1940 86 250
KREUTZ CREEK Pennsylvania Fair 1940 86 207
TRIBUTARY CODORUS CREEK Pennsylvania Poor 1940 86 15
KREUTZ CREEK Pennsylvania Fair 1940 86 50
BLOCK HOUSE RUN Pennsylvania Poor 1940 86 400
RAMP N TO MON WHARF Pennsylvania Good 1940 86 3,428
LEHIGH CANAL Pennsylvania Poor 1940 86 200
RACCOON CREEK Pennsylvania Fair 1940 86 50
Crooked Run Pennsylvania Fair 1940 86 200
N/A Pennsylvania Fair 1940 86 4,324
N/A Pennsylvania Fair 1940 86 25,731
SR 0008 Pennsylvania Fair 1940 86 49,653
LITTLE SEWICKLEY CREEK Pennsylvania Poor 1940 86 39
Ruff Creek Pennsylvania Good 1940 86 47
Crooked Run Pennsylvania Fair 1940 86 50
Taylor Run Pennsylvania Fair 1940 86 1,000
SCOT RUN Pennsylvania Poor 1940 86 100
SINKING CREEK Pennsylvania Poor 1940 86 50
E. BRANCH TIONESTA CRK. Pennsylvania Fair 1940 86 10
SAND HILL CREEK Pennsylvania Fair 1940 86 4,658
ADAMS CREEK Pennsylvania Fair 1940 86 5,475
PLUM CREEK Pennsylvania Fair 1941 85 3,394
LITTLE MARSH CREEK Pennsylvania Good 1941 85 266
FLAT RUN Pennsylvania Fair 1941 85 200
SAW MILL RUN Pennsylvania Fair 1941 85 40,495
KILBUCK RUN Pennsylvania Fair 1941 85 11,649
LR 395 & CHALFONT RUN Pennsylvania Fair 1941 85 22,920
LITTLE PLUM CREEK Pennsylvania Fair 1941 85 4,349
POTATO GARDEN RUN Pennsylvania Fair 1941 85 1,064
LOWRIES RUN Pennsylvania Fair 1941 85 2,901
LITTLE PINE CREEK Pennsylvania Fair 1941 85 3,117
MCLAUGHLIN RUN Pennsylvania Fair 1941 85 17,000
LEWIS RUN Pennsylvania Fair 1941 85 4,081
LONG RUN Pennsylvania Fair 1941 85 691
BR OF PINE CREEK Pennsylvania Fair 1941 85 892
MILL RUN Pennsylvania Poor 1941 85 189
TRIB TO BUFFALO CREEK Pennsylvania Fair 1941 85 171
MCCAUTRY RUN Pennsylvania Fair 1941 85 3,308

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.