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.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| SR 2019(LR 05036) | Pennsylvania | Poor | 1939 | 87 | 36,252 |
| COVE CREEK | Pennsylvania | Fair | 1939 | 87 | 36,252 |
| SR 1004 (LR 05039) | Pennsylvania | Poor | 1939 | 87 | 36,252 |
| TR RAYSTOWN BR | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| SR 1004 LR 05018 | Pennsylvania | Fair | 1939 | 87 | 35,070 |
| SR 2027(LR 05093);B-519 | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| SR 2025 LR 05123 | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| CLEAR CREEK | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| PA 26 (LR 286) | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| PA TPK (I-76) | Pennsylvania | Fair | 1939 | 87 | 98 |
| GREYS RUN | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| PA TPK (I-76) | Pennsylvania | Fair | 1939 | 87 | 227 |
| BRUSH CREEK | Pennsylvania | Fair | 1939 | 87 | 33,684 |
| SR 2035 | Pennsylvania | Fair | 1939 | 87 | 17,320 |
| ALLEGHENY CREEK | Pennsylvania | Fair | 1939 | 87 | 4,507 |
| LAUREL RUN | Pennsylvania | Fair | 1939 | 87 | 18,699 |
| PLUM CREEK | Pennsylvania | Fair | 1939 | 87 | 15,341 |
| MANATAWNY CREEK | Pennsylvania | Fair | 1939 | 87 | 1,566 |
| MANATAWNY CREEK | Pennsylvania | Fair | 1939 | 87 | 1,424 |
| ANTIETAM CREEK | Pennsylvania | Poor | 1939 | 87 | 350 |
| NORFOLK SOUTHERN RR | Pennsylvania | Fair | 1939 | 87 | 5,670 |
| CLOVER CREEK | Pennsylvania | Good | 1939 | 87 | 199 |
| SPRING RUN | Pennsylvania | Fair | 1939 | 87 | 1,420 |
| SOUTH BRANCH TOWANDA CRK | Pennsylvania | Fair | 1939 | 87 | 1,103 |
| AQUETONG CREEK | Pennsylvania | Fair | 1939 | 87 | 15,615 |
| NORTH BR.NESHAMINY CREEK | Pennsylvania | Fair | 1939 | 87 | 17,187 |
| NESHAMINY CREEK | Pennsylvania | Fair | 1939 | 87 | 11,159 |
| BEAVER CREEK | Pennsylvania | Poor | 1939 | 87 | 50 |
| SILVER CREEK | Pennsylvania | Fair | 1939 | 87 | 663 |
| MCDONALD RUN | Pennsylvania | Poor | 1939 | 87 | 1,194 |
| CHRISTY RUN | Pennsylvania | Fair | 1939 | 87 | 100 |
| POTTER RUN | Pennsylvania | Fair | 1939 | 87 | 4,239 |
| BUFFALO RUN | Pennsylvania | Fair | 1939 | 87 | 665 |
| SPARROW RUN | Pennsylvania | Fair | 1939 | 87 | 56 |
| MARSH CREEK | Pennsylvania | Poor | 1939 | 87 | 1,995 |
| E BR BRANDYWINE CREEK | Pennsylvania | Poor | 1939 | 87 | 1,146 |
| LITTLE PINEY CREEK | Pennsylvania | Fair | 1939 | 87 | 264 |
| TURKEY RUN | Pennsylvania | Fair | 1939 | 87 | 311 |
| NARROWS CREEK | Pennsylvania | Fair | 1939 | 87 | 5,153 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1939 | 87 | 1,877 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1939 | 87 | 494 |
| FISHING CREEK | Pennsylvania | Good | 1939 | 87 | 520 |
| OVER WATSON RUN | Pennsylvania | Poor | 1939 | 87 | 10,524 |
| OVER CEMETERY RUN | Pennsylvania | Fair | 1939 | 87 | 1,472 |
| PA TPK (I-76) | Pennsylvania | Good | 1939 | 87 | 200 |
| PA TPK (I-76) | Pennsylvania | Good | 1939 | 87 | 200 |
| OVER WALNUT CREEK | Pennsylvania | Fair | 1939 | 87 | 12,183 |
| OVER HARE CREEK BRANCH | Pennsylvania | Fair | 1939 | 87 | 1,398 |
| OPOSSUM RUN | Pennsylvania | Fair | 1939 | 87 | 663 |
| FIKE RUN | Pennsylvania | Fair | 1939 | 87 | 479 |
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.