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 |
|---|---|---|---|---|---|
| TRIB EAST BR BRIAR CREEK | Pennsylvania | Fair | 1937 | 89 | 455 |
| OVER FRENCH CREEK | Pennsylvania | Poor | 1937 | 89 | 5,823 |
| ROCK CREEK | Pennsylvania | Poor | 1937 | 89 | 2,244 |
| OVER TOWN HOUSE RUN | Pennsylvania | Fair | 1937 | 89 | 2,047 |
| THREE SQUARE HOLLOW CK | Pennsylvania | Fair | 1937 | 89 | 341 |
| LETORT SPRING RUN | Pennsylvania | Fair | 1937 | 89 | 5,000 |
| RATTLING CREEK | Pennsylvania | Poor | 1937 | 89 | 372 |
| WEST BR CHESTER CREEK | Pennsylvania | Fair | 1937 | 89 | 20,522 |
| COBBS CREEK | Pennsylvania | Poor | 1937 | 89 | 13,750 |
| CRUM CREEK | Pennsylvania | Fair | 1937 | 89 | 1,233 |
| LITTLE MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 1,276 |
| BENNETT BR SINNEMAHONING | Pennsylvania | Poor | 1937 | 89 | 50 |
| OVER HARE CREEK | Pennsylvania | Fair | 1937 | 89 | 1,398 |
| BREAKNECK RUN | Pennsylvania | Good | 1937 | 89 | 845 |
| DUNBAR CREEK | Pennsylvania | Fair | 1937 | 89 | 510 |
| MUDDY RUN | Pennsylvania | Fair | 1937 | 89 | 2,001 |
| REDSTONE CREEK | Pennsylvania | Fair | 1937 | 89 | 277 |
| OVER BRUSH CREEK | Pennsylvania | Fair | 1937 | 89 | 198 |
| Norfolk Southern RR | Pennsylvania | Poor | 1937 | 89 | 10,328 |
| CSX | Pennsylvania | Good | 1937 | 89 | 10,185 |
| Rowe Run | Pennsylvania | Fair | 1937 | 89 | 1,098 |
| LITTLE COVE CREEK | Pennsylvania | Fair | 1937 | 89 | 507 |
| BR OF CONOCOCHEAQUE | Pennsylvania | Fair | 1937 | 89 | 311 |
| Clippingers Run | Pennsylvania | Fair | 1937 | 89 | 428 |
| TR Conodoguinet Creek | Pennsylvania | Fair | 1937 | 89 | 428 |
| ROARING RUN | Pennsylvania | Fair | 1937 | 89 | 199 |
| TONOLOWAY CREEK | Pennsylvania | Good | 1937 | 89 | 69 |
| LITTLE TONOLOWAY CREEK | Pennsylvania | Fair | 1937 | 89 | 69 |
| BARNETTS RUN | Pennsylvania | Poor | 1937 | 89 | 114 |
| SINDELDECKER RUN | Pennsylvania | Fair | 1937 | 89 | 356 |
| LITTLE SHANNON RUN | Pennsylvania | Good | 1937 | 89 | 25 |
| SHOUPS RUN | Pennsylvania | Fair | 1937 | 89 | 1,766 |
| MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 147 |
| MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 147 |
| LICK RUN | Pennsylvania | Poor | 1937 | 89 | 194 |
| THREE SPRINGS CREEK | Pennsylvania | Good | 1937 | 89 | 489 |
| LITTLE AUGHWICK CREEK | Pennsylvania | Good | 1937 | 89 | 143 |
| TRIB TO NB L AUGHWICK CR | Pennsylvania | Good | 1937 | 89 | 143 |
| FORT RUN | Pennsylvania | Good | 1937 | 89 | 51 |
| RAYSTOWN BR.JUNIATA RIV. | Pennsylvania | Fair | 1937 | 89 | 73 |
| YELLOW CREEK | Pennsylvania | Fair | 1937 | 89 | 4,526 |
| BROADHEAD RUN | Pennsylvania | Fair | 1937 | 89 | 204 |
| BLACKLEGS CREEK | Pennsylvania | Poor | 1937 | 89 | 438 |
| MUDLICK RUN | Pennsylvania | Fair | 1937 | 89 | 166 |
| CLOVER RUN | Pennsylvania | Fair | 1937 | 89 | 81 |
| SOLDIER RUN | Pennsylvania | Fair | 1937 | 89 | 671 |
| FIRST ST & JUNIATA RIVER | Pennsylvania | Fair | 1937 | 89 | 5,419 |
| LITTLE LOST CREEK | Pennsylvania | Fair | 1937 | 89 | 1,023 |
| BIG RUN | Pennsylvania | Fair | 1937 | 89 | 552 |
| LITTLE LOST CREEK | Pennsylvania | Fair | 1937 | 89 | 513 |
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.