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 |
|---|---|---|---|---|---|
| THORN CREEK | Pennsylvania | Poor | 1942 | 84 | 4,448 |
| BURGOON RUN | Pennsylvania | Fair | 1942 | 84 | 99 |
| SALT RUN | Pennsylvania | Fair | 1942 | 84 | 1,571 |
| BEAVER BRANCH | Pennsylvania | Fair | 1942 | 84 | 274 |
| STONY RUN CREEK | Pennsylvania | Fair | 1942 | 84 | 13,454 |
| PIGEON CREEK | Pennsylvania | Fair | 1942 | 84 | 12,416 |
| SHAMONA CREEK | Pennsylvania | Fair | 1942 | 84 | 840 |
| SUSQUEHANNA STREET | Pennsylvania | Fair | 1942 | 84 | 1,000 |
| STONY CREEK | Pennsylvania | Fair | 1942 | 84 | 1,000 |
| OVER TOWNLEY RUN | Pennsylvania | Fair | 1942 | 84 | 324 |
| JENNINGS RUN | Pennsylvania | Fair | 1942 | 84 | 9,415 |
| WHITES RUN | Pennsylvania | Fair | 1942 | 84 | 29,872 |
| MOUNTS CREEK | Pennsylvania | Fair | 1942 | 84 | 28,417 |
| CHAMPION CREEK | Pennsylvania | Fair | 1942 | 84 | 2,947 |
| LITTLE SANDY CREEK | Pennsylvania | Good | 1942 | 84 | 130 |
| FIKE RUN | Pennsylvania | Fair | 1942 | 84 | 522 |
| LITTLE SANDY CREEK | Pennsylvania | Poor | 1942 | 84 | 522 |
| FOURMILE RUN | Pennsylvania | Fair | 1942 | 84 | 1,551 |
| LITTLE REDSTONE CREEK | Pennsylvania | Fair | 1942 | 84 | 392 |
| COAL LICK RUN | Pennsylvania | Fair | 1942 | 84 | 15,391 |
| OVER EAST HICKORY CREEK | Pennsylvania | Fair | 1942 | 84 | 282 |
| BRANCH OF DUNKARD CREEK | Pennsylvania | Poor | 1942 | 84 | 1,436 |
| Jacobs Run | Pennsylvania | Fair | 1942 | 84 | 119 |
| MEADOW RUN | Pennsylvania | Good | 1942 | 84 | 350 |
| SHANNON RUN | Pennsylvania | Fair | 1942 | 84 | 250 |
| LICKING CREEK | Pennsylvania | Fair | 1942 | 84 | 168 |
| FINDLEY RUN | Pennsylvania | Fair | 1942 | 84 | 3,779 |
| TRIB TO CONEMAUGH RIVER | Pennsylvania | Fair | 1942 | 84 | 3,779 |
| HOOPER RUN | Pennsylvania | Fair | 1942 | 84 | 241 |
| NEAL RUN | Pennsylvania | Poor | 1942 | 84 | 106 |
| PERRYVILLE RUN | Pennsylvania | Fair | 1942 | 84 | 391 |
| East Penn R.R. | Pennsylvania | Good | 1942 | 84 | 13,410 |
| AMTRAK; BORO STREETS | Pennsylvania | Fair | 1942 | 84 | 6,889 |
| Norfolk Southern R.R. | Pennsylvania | Fair | 1942 | 84 | 18,472 |
| INDIANTOWN RUN | Pennsylvania | Fair | 1942 | 84 | 521 |
| SPRING RUN CREEK | Pennsylvania | Fair | 1942 | 84 | 5,529 |
| OVER SHENANGO RIVER TRIB | Pennsylvania | Poor | 1942 | 84 | 2,013 |
| BULGERS RUN | Pennsylvania | Poor | 1942 | 84 | 11,960 |
| ROSE VALLEY CREEK | Pennsylvania | Fair | 1942 | 84 | 9,037 |
| NORFOLK SOUTHERN RR | Pennsylvania | Poor | 1942 | 84 | 14,151 |
| NORFOLK SOUTHERN RR | Pennsylvania | Fair | 1942 | 84 | 14,151 |
| OVER TRIB TO MUD CREEK | Pennsylvania | Fair | 1942 | 84 | 2,897 |
| OVER TRIB TO MUD CREEK | Pennsylvania | Fair | 1942 | 84 | 1,387 |
| TRIB.TO BUSHKILL CK. | Pennsylvania | Fair | 1942 | 84 | 5,079 |
| SCHOENECK CREEK | Pennsylvania | Poor | 1942 | 84 | 5,435 |
| JOHNSONS RUN | Pennsylvania | Fair | 1942 | 84 | 12,627 |
| OVER MUDDY RUN | Pennsylvania | Fair | 1942 | 84 | 650 |
| SAWKILL CREEK | Pennsylvania | Poor | 1942 | 84 | 7,699 |
| TRIB.TO PENNS CREEK | Pennsylvania | Fair | 1942 | 84 | 985 |
| BARCLAY RUN | Pennsylvania | Fair | 1942 | 84 | 12,782 |
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.