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 |
|---|---|---|---|---|---|
| RUMMERFIELD CREEK | Pennsylvania | Fair | 1924 | 102 | 244 |
| COOKS CREEK | Pennsylvania | Fair | 1924 | 102 | 1,932 |
| NORTH BR.NESHAMINY CREEK | Pennsylvania | Fair | 1924 | 102 | 100 |
| Unami Creek | Pennsylvania | Fair | 1924 | 102 | 1,000 |
| TROUT RUN | Pennsylvania | Poor | 1924 | 102 | 256 |
| TROUT RUN | Pennsylvania | Poor | 1924 | 102 | 461 |
| BLACK BEAR RUN | Pennsylvania | Fair | 1924 | 102 | 258 |
| BR.W.BR BIG ELK CR. | Pennsylvania | Fair | 1924 | 102 | 4,935 |
| LEECH RUN | Pennsylvania | Poor | 1924 | 102 | 562 |
| W. BRANCH BIG ELK CREEK | Pennsylvania | Poor | 1924 | 102 | 1,431 |
| EAST BR MAHONING CREEK | Pennsylvania | Fair | 1924 | 102 | 30 |
| RAUCHTOWN CREEK | Pennsylvania | Fair | 1924 | 102 | 351 |
| OVER INLET CREEK BRANCH | Pennsylvania | Poor | 1924 | 102 | 2,069 |
| OVER HUBBEL RUN | Pennsylvania | Fair | 1924 | 102 | 3,791 |
| BARNETTS RUN | Pennsylvania | Poor | 1924 | 102 | 259 |
| CROOKED CREEK | Pennsylvania | Poor | 1924 | 102 | 6,797 |
| PINE RUN | Pennsylvania | Poor | 1924 | 102 | 6,797 |
| E BR STONY RUN | Pennsylvania | Poor | 1924 | 102 | 1,035 |
| NCIR / ISS RAILROAD | Pennsylvania | Poor | 1924 | 102 | 7,349 |
| SWATARA CREEK | Pennsylvania | Poor | 1924 | 102 | 200 |
| LEHIGH RIV R.R. CITY STS | Pennsylvania | Fair | 1924 | 102 | 35,929 |
| SUSQ RIVER RR SR 2037 | Pennsylvania | Poor | 1924 | 102 | 17,383 |
| OVER LICK RUN | Pennsylvania | Fair | 1924 | 102 | 3,079 |
| FAHERTY RUN | Pennsylvania | Fair | 1924 | 102 | 4,228 |
| SAMBO CREEK | Pennsylvania | Poor | 1924 | 102 | 16,979 |
| PERKIOMEN CREEK | Pennsylvania | Fair | 1924 | 102 | 6,479 |
| BRANCH SCHLEGEL RUN | Pennsylvania | Fair | 1924 | 102 | 3,711 |
| ABANDON RR & PLYMOUTH CR | Pennsylvania | Good | 1924 | 102 | 8,480 |
| BR SAW MILL RUN/3255-J10 | Pennsylvania | Good | 1924 | 102 | 6,026 |
| SWAMP CREEK | Pennsylvania | Fair | 1924 | 102 | 250 |
| HOSENSACK CREEK | Pennsylvania | Fair | 1924 | 102 | 50 |
| BEAVER RUN | Pennsylvania | Fair | 1924 | 102 | 24 |
| TRIB.TO MONOCACY CREEK | Pennsylvania | Fair | 1924 | 102 | 2,206 |
| ROSETO CREEK | Pennsylvania | Poor | 1924 | 102 | 400 |
| WEST BR GENESEE RIVER | Pennsylvania | Fair | 1924 | 102 | 1,199 |
| LOCUST CREEK | Pennsylvania | Poor | 1924 | 102 | 515 |
| RBMNRR | Pennsylvania | Poor | 1924 | 102 | 1,508 |
| MAHANOY CREEK | Pennsylvania | Poor | 1924 | 102 | 278 |
| MAHANOY CREEK | Pennsylvania | Good | 1924 | 102 | 100 |
| MAHANOY CREEK | Pennsylvania | Poor | 1924 | 102 | 175 |
| PAINT CREEK | Pennsylvania | Fair | 1924 | 102 | 1,821 |
| MILL CREEK | Pennsylvania | Fair | 1924 | 102 | 142 |
| OVER SUGARCREEK TRIB. | Pennsylvania | Poor | 1924 | 102 | 500 |
| OVER MORRISON RUN | Pennsylvania | Poor | 1924 | 102 | 1,105 |
| OVER BROKENSTRAW/DAMON | Pennsylvania | Fair | 1924 | 102 | 1,217 |
| CHARTIERS CREEK | Pennsylvania | Fair | 1924 | 102 | 5,876 |
| CROSS CREEK | Pennsylvania | Fair | 1924 | 102 | 1,004 |
| BRANCH OF FOURMILE RUN | Pennsylvania | Poor | 1924 | 102 | 204 |
| WHITEHORN CREEK | Pennsylvania | Poor | 1924 | 102 | 20 |
| BUTTERMILK CREEK | Pennsylvania | Fair | 1924 | 102 | 2,680 |
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.