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 |
|---|---|---|---|---|---|
| INDIAN CREEK | Pennsylvania | Poor | 1935 | 91 | 999 |
| TROUT CREEK | Pennsylvania | Poor | 1935 | 91 | 210 |
| PIKES CREEK | Pennsylvania | Poor | 1935 | 91 | 7,630 |
| HARVEYS CREEK | Pennsylvania | Poor | 1935 | 91 | 7,630 |
| BRANCH WAPWALLOPEN CREEK | Pennsylvania | Fair | 1935 | 91 | 1,314 |
| OVER UPPER PINE BOTT. RU | Pennsylvania | Fair | 1935 | 91 | 396 |
| TRIBUTARY MILL CREEK | Pennsylvania | Good | 1935 | 91 | 255 |
| BLOCKHOUSE CREEK | Pennsylvania | Fair | 1935 | 91 | 50 |
| WHITE DEER HOLE CREEK | Pennsylvania | Fair | 1935 | 91 | 108 |
| OVER JOHNSTON RUN | Pennsylvania | Fair | 1935 | 91 | 4,143 |
| SHENANGO RIVER TR | Pennsylvania | Fair | 1935 | 91 | 3,344 |
| Pine Run | Pennsylvania | Poor | 1935 | 91 | 1,437 |
| MUSSER RUN | Pennsylvania | Fair | 1935 | 91 | 6,199 |
| TREASTER RUN | Pennsylvania | Fair | 1935 | 91 | 421 |
| BELLTOWN RUN | Pennsylvania | Poor | 1935 | 91 | 75 |
| TRIB OF JACKS CREEK | Pennsylvania | Fair | 1935 | 91 | 77 |
| Jacks Creek | Pennsylvania | Poor | 1935 | 91 | 390 |
| POHOPOCO CREEK | Pennsylvania | Poor | 1935 | 91 | 356 |
| POCONO CREEK | Pennsylvania | Poor | 1935 | 91 | 100 |
| SKIPPACK CREEK | Pennsylvania | Poor | 1935 | 91 | 15,908 |
| W. BR. PERKIOMEN CREEK | Pennsylvania | Fair | 1935 | 91 | 918 |
| SKIPPACK CREEK / 3254-B3 | Pennsylvania | Fair | 1935 | 91 | 6,365 |
| SCHUYLKILL RIVER | Pennsylvania | Poor | 1935 | 91 | 8,408 |
| TOOKANY CREEK | Pennsylvania | Poor | 1935 | 91 | 4,000 |
| WILD RUN | Pennsylvania | Fair | 1935 | 91 | 200 |
| HOKENDAUQUA CREEK | Pennsylvania | Fair | 1935 | 91 | 647 |
| OVER LOGAN RUN | Pennsylvania | Fair | 1935 | 91 | 451 |
| SHAMOKIN CREEK | Pennsylvania | Fair | 1935 | 91 | 100 |
| CARBON RUN | Pennsylvania | Fair | 1935 | 91 | 300 |
| BRANCH BIXLER RUN | Pennsylvania | Poor | 1935 | 91 | 698 |
| BIG INLET | Pennsylvania | Fair | 1935 | 91 | 80 |
| BIG NELSON RUN | Pennsylvania | Fair | 1935 | 91 | 20 |
| WEST CREEK | Pennsylvania | Poor | 1935 | 91 | 20 |
| LOCUST CREEK | Pennsylvania | Poor | 1935 | 91 | 150 |
| PINE CREEK | Pennsylvania | Fair | 1935 | 91 | 150 |
| MAHONING CREEK | Pennsylvania | Fair | 1935 | 91 | 200 |
| MAHANOY CREEK | Pennsylvania | Fair | 1935 | 91 | 100 |
| GOODSPRING CREEK | Pennsylvania | Poor | 1935 | 91 | 40 |
| LAUREL HILL CREEK | Pennsylvania | Fair | 1935 | 91 | 1,259 |
| McCLINTOCK RUN | Pennsylvania | Fair | 1935 | 91 | 202 |
| LOYALSOCK CREEK | Pennsylvania | Fair | 1935 | 91 | 764 |
| LITTLE LOYALSOCK CREEK | Pennsylvania | Fair | 1935 | 91 | 1,472 |
| OVER MILL CREEK | Pennsylvania | Fair | 1935 | 91 | 318 |
| OVER CROOKED CR. | Pennsylvania | Fair | 1935 | 91 | 2,620 |
| CHARLESTON RUN | Pennsylvania | Poor | 1935 | 91 | 3,221 |
| STONY FORK CREEK | Pennsylvania | Poor | 1935 | 91 | 105 |
| MARSH CREEK | Pennsylvania | Poor | 1935 | 91 | 100 |
| SALT SPRING RUN | Pennsylvania | Poor | 1935 | 91 | 5 |
| BAILEY CREEK | Pennsylvania | Poor | 1935 | 91 | 15 |
| RAPID RUN | Pennsylvania | Good | 1935 | 91 | 108 |
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.