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 |
|---|---|---|---|---|---|
| BURGETTS FORK | Pennsylvania | Poor | 1910 | 116 | 1,195 |
| BUFFALO CREEK | Pennsylvania | Good | 1910 | 116 | 40 |
| WHEELING CREEK TRIB | Pennsylvania | Fair | 1910 | 116 | 50 |
| HOLLISTER CREEK | Pennsylvania | Poor | 1910 | 116 | 40 |
| BEAVER DAM CREEK | Pennsylvania | Poor | 1910 | 116 | 10 |
| JONES CREEK | Pennsylvania | Fair | 1910 | 116 | 70 |
| MILL CREEK | Pennsylvania | Poor | 1910 | 116 | 50 |
| L.SEWICKLEY CK. | Pennsylvania | Good | 1910 | 116 | 100 |
| S BR CODORUS CREEK | Pennsylvania | Poor | 1910 | 116 | 1,760 |
| TYLERS RUN | Pennsylvania | Fair | 1910 | 116 | 6,707 |
| SO BRANCH CODORUS CREEK | Pennsylvania | Fair | 1910 | 116 | 141 |
| FISHING CREEK | Pennsylvania | Poor | 1910 | 116 | 624 |
| SEPTA(BALA STATION) | Pennsylvania | Poor | 1910 | 116 | 39,654 |
| CSX RAILROAD(MAIN LINE) | Pennsylvania | Fair | 1910 | 116 | 7,081 |
| SEPTA | Pennsylvania | Fair | 1910 | 116 | 4,200 |
| AMTRAK (NE Corridor) | Pennsylvania | Fair | 1910 | 116 | 4,000 |
| AMTRAK (Pittsburgh ML) | Pennsylvania | Good | 1910 | 116 | 8,000 |
| OVER SILL RUN | Pennsylvania | Fair | 1910 | 116 | 447 |
| OVER FRENCH CREEK S.BR. | Pennsylvania | Good | 1910 | 116 | 6,877 |
| Trib to Slippery Rock Cr | Pennsylvania | Fair | 1910 | 116 | 103 |
| BR. OF COBBS CREEK | Pennsylvania | Fair | 1910 | 116 | 5,000 |
| Fallen Timber Run | Pennsylvania | Poor | 1910 | 116 | 100 |
| STORM SEWER | Pennsylvania | Poor | 1910 | 116 | 8,374 |
| SANDY RUN | Pennsylvania | Fair | 1910 | 116 | 50 |
| KEYSER CREEK | Pennsylvania | Poor | 1910 | 116 | 100 |
| CONEWAGO CREEK | Pennsylvania | Fair | 1911 | 115 | 100 |
| GIRTYS RUN | Pennsylvania | Fair | 1911 | 115 | 2,500 |
| GIRTYS RUN | Pennsylvania | Poor | 1911 | 115 | 50 |
| GIRTYS RUN | Pennsylvania | Poor | 1911 | 115 | 4,500 |
| GIRTYS RUN | Pennsylvania | Fair | 1911 | 115 | 200 |
| GIRTYS RUN | Pennsylvania | Fair | 1911 | 115 | 500 |
| SACONY CREEK | Pennsylvania | Fair | 1911 | 115 | 7,077 |
| LITTLE SWATARA CREEK | Pennsylvania | Poor | 1911 | 115 | 83 |
| BEAVERDAM BR.JUNIATA RIV | Pennsylvania | Fair | 1911 | 115 | 7,061 |
| ADAMS HOLLOW CREEK | Pennsylvania | Fair | 1911 | 115 | 3,390 |
| MORRIS RUN | Pennsylvania | Poor | 1911 | 115 | 100 |
| BRANCH CHESTER CREEK | Pennsylvania | Fair | 1911 | 115 | 9,298 |
| SCOTCH RUN | Pennsylvania | Poor | 1911 | 115 | 70 |
| MIDDLE SPRING CREEK | Pennsylvania | Fair | 1911 | 115 | 11,499 |
| LITTLE TOBY CREEK | Pennsylvania | Fair | 1911 | 115 | 234 |
| CROOKED CREEK | Pennsylvania | Fair | 1911 | 115 | 105 |
| TONOLOWAY CREEK | Pennsylvania | Poor | 1911 | 115 | 20 |
| AUGHWICK CREEK | Pennsylvania | Fair | 1911 | 115 | 211 |
| RICHARDS RUN | Pennsylvania | Poor | 1911 | 115 | 116 |
| RUNAWAY RUN | Pennsylvania | Poor | 1911 | 115 | 50 |
| WAMPUM RUN | Pennsylvania | Fair | 1911 | 115 | 97 |
| UPPER TUNKHANNOCK CREEK | Pennsylvania | Good | 1911 | 115 | 842 |
| KEPNER CREEK | Pennsylvania | Fair | 1911 | 115 | 9,486 |
| P&W RR (SEPTA) | Pennsylvania | Fair | 1911 | 115 | 2,744 |
| EAST BR. PERKIOMEN CREEK | Pennsylvania | Fair | 1911 | 115 | 649 |
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.