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 |
|---|---|---|---|---|---|
| PINE CREEK | Pennsylvania | Poor | 1930 | 96 | 150 |
| PINE CREEK | Pennsylvania | Poor | 1930 | 96 | 30 |
| MIDDLE CREEK | Pennsylvania | Fair | 1930 | 96 | 750 |
| PINE CREEK | Pennsylvania | Fair | 1930 | 96 | 225 |
| LIZARD CREEK | Pennsylvania | Poor | 1930 | 96 | 150 |
| MAHANOY CREEK | Pennsylvania | Poor | 1930 | 96 | - |
| TRIB.TO SUSQUEHANNA RIVE | Pennsylvania | Good | 1930 | 96 | 17,781 |
| TRIB.TO SUSQUEHANNA RIVE | Pennsylvania | Fair | 1930 | 96 | 17,781 |
| OVER MIDDLE CREEK | Pennsylvania | Good | 1930 | 96 | 4,371 |
| MAHANTANGO CREEK | Pennsylvania | Good | 1930 | 96 | 2,660 |
| TRIB NO BR MAHANTANGO CR | Pennsylvania | Fair | 1930 | 96 | 4,922 |
| TRIB OF MIDDLE CREEK | Pennsylvania | Fair | 1930 | 96 | 4,947 |
| TRIB TO BEAVER CREEK | Pennsylvania | Fair | 1930 | 96 | 1,193 |
| OVER BEAVER CREEK | Pennsylvania | Fair | 1930 | 96 | 1,193 |
| MIDDLE CREEK | Pennsylvania | Fair | 1930 | 96 | 1,193 |
| MOYERS MILL RUN | Pennsylvania | Fair | 1930 | 96 | 50 |
| TRIB.OF MIDDLE CR | Pennsylvania | Fair | 1930 | 96 | 50 |
| S BR OF MIDDLE CREEK | Pennsylvania | Fair | 1930 | 96 | 75 |
| TRIB.STONY CREEK | Pennsylvania | Poor | 1930 | 96 | 876 |
| RAYSTOWN BR.JUNIATA RIV. | Pennsylvania | Poor | 1930 | 96 | 50 |
| TRIB TO QUEMAHONING CR | Pennsylvania | Fair | 1930 | 96 | 103 |
| N.BR.QUEMAHONING CREEK | Pennsylvania | Fair | 1930 | 96 | 50 |
| FALL CREEK | Pennsylvania | Fair | 1930 | 96 | 50 |
| BOONE RUN | Pennsylvania | Fair | 1930 | 96 | 25 |
| OVER PAINTER RUN | Pennsylvania | Fair | 1930 | 96 | 112 |
| PORTER CREEK | Pennsylvania | Poor | 1930 | 96 | 50 |
| BRANCH TUNKHANNOCK CREEK | Pennsylvania | Fair | 1930 | 96 | 221 |
| OVER WEST MILL CREEK | Pennsylvania | Good | 1930 | 96 | 2,792 |
| WILSON CREEK | Pennsylvania | Poor | 1930 | 96 | 100 |
| NORTH RUN | Pennsylvania | Fair | 1930 | 96 | 5 |
| HARRISON RUN | Pennsylvania | Fair | 1930 | 96 | 100 |
| OVER WINFIELD CREEK | Pennsylvania | Fair | 1930 | 96 | 17,492 |
| OVER TURTLE CREEK | Pennsylvania | Fair | 1930 | 96 | 8,564 |
| BUFFALO CREEK | Pennsylvania | Fair | 1930 | 96 | 21,561 |
| TRIB.TO RAPID RUN | Pennsylvania | Fair | 1930 | 96 | 1,302 |
| OVER SOUTH SANDY CREEK | Pennsylvania | Fair | 1930 | 96 | 59 |
| OVER LAKE CREEK | Pennsylvania | Fair | 1930 | 96 | 50 |
| OVER SOUTH SANDY CREEK | Pennsylvania | Poor | 1930 | 96 | 50 |
| OVER CALDWELL CREEK | Pennsylvania | Poor | 1930 | 96 | 1,356 |
| OVER BEAR CREEK | Pennsylvania | Fair | 1930 | 96 | 306 |
| OVER TWO MILE RUN | Pennsylvania | Fair | 1930 | 96 | 781 |
| HAINERS RUN | Pennsylvania | Fair | 1930 | 96 | 1,745 |
| REDD RUN | Pennsylvania | Fair | 1930 | 96 | 1,526 |
| VAN AUKEN CREEK | Pennsylvania | Fair | 1930 | 96 | 50 |
| WILCOX CREEK | Pennsylvania | Fair | 1930 | 96 | 65 |
| SPRUCE RUN | Pennsylvania | Fair | 1930 | 96 | 281 |
| BEAVER RUN | Pennsylvania | Poor | 1930 | 96 | 758 |
| SPEERS RUN | Pennsylvania | Poor | 1930 | 96 | 2,020 |
| Trib of L Sewickley Crk | Pennsylvania | Poor | 1930 | 96 | 833 |
| TRIB. OF YOUGH. RIVER | Pennsylvania | Poor | 1930 | 96 | 60 |
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.