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 |
|---|---|---|---|---|---|
| OVER FRENCH CREEK BRANCH | Pennsylvania | Fair | 1940 | 86 | 1,779 |
| OVER AVERILL RUN | Pennsylvania | Fair | 1940 | 86 | 575 |
| OVER BEAVER RUN | Pennsylvania | Fair | 1940 | 86 | 333 |
| E BR CONNEAUT CREEK | Pennsylvania | Poor | 1940 | 86 | 71 |
| CAMP RUN | Pennsylvania | Fair | 1940 | 86 | 4,567 |
| BACK CREEK | Pennsylvania | Fair | 1940 | 86 | 247 |
| GIST RUN | Pennsylvania | Fair | 1940 | 86 | 1,970 |
| MILL RUN | Pennsylvania | Poor | 1940 | 86 | 112 |
| MEADOW RUN | Pennsylvania | Fair | 1940 | 86 | 736 |
| JACOBS CREEK | Pennsylvania | Fair | 1940 | 86 | 201 |
| WASHINGTON RUN | Pennsylvania | Fair | 1940 | 86 | 461 |
| REDSTONE CREEK | Pennsylvania | Fair | 1940 | 86 | 8,291 |
| N BR BROWNS RUN TRIB | Pennsylvania | Poor | 1940 | 86 | 500 |
| BEAVER CREEK | Pennsylvania | Fair | 1940 | 86 | 150 |
| INDIAN CREEK | Pennsylvania | Poor | 1940 | 86 | 10 |
| BACK CREEK | Pennsylvania | Poor | 1940 | 86 | 240 |
| ROCK SPRG.BR.OF BACK CR. | Pennsylvania | Good | 1940 | 86 | 1,684 |
| LITTLE TONOLOWAY CREEK | Pennsylvania | Poor | 1940 | 86 | 265 |
| BRUSH CREEK | Pennsylvania | Poor | 1940 | 86 | 41 |
| LICKING CREEK | Pennsylvania | Fair | 1940 | 86 | 51 |
| MCKEES RUN | Pennsylvania | Fair | 1940 | 86 | 133 |
| SUGAR GROVE RUN | Pennsylvania | Fair | 1940 | 86 | 10,583 |
| MILL CREEK | Pennsylvania | Fair | 1940 | 86 | 10,583 |
| STANDING STONE CREEK | Pennsylvania | Good | 1940 | 86 | 316 |
| TRIB TO BRUSH CREEK | Pennsylvania | Poor | 1940 | 86 | 168 |
| BLACKLEGS CREEK | Pennsylvania | Poor | 1940 | 86 | 241 |
| Muddy Run | Pennsylvania | Good | 1940 | 86 | 75 |
| SOLDIER RUN | Pennsylvania | Fair | 1940 | 86 | 1,585 |
| STUMP CREEK | Pennsylvania | Fair | 1940 | 86 | 1,484 |
| PINE RUN | Pennsylvania | Good | 1940 | 86 | 50 |
| TUSCARORA CREEK | Pennsylvania | Fair | 1940 | 86 | 782 |
| LAUREL RUN | Pennsylvania | Fair | 1940 | 86 | 552 |
| DOE RUN | Pennsylvania | Poor | 1940 | 86 | 208 |
| DOE RUN | Pennsylvania | Fair | 1940 | 86 | 513 |
| MAHANTANGO CREEK | Pennsylvania | Fair | 1940 | 86 | 365 |
| CRANES RUN | Pennsylvania | Fair | 1940 | 86 | 919 |
| MAHANTANGO CREEK | Pennsylvania | Poor | 1940 | 86 | 1,153 |
| TUSCARORA CREEK | Pennsylvania | Fair | 1940 | 86 | 151 |
| LOST CREEK | Pennsylvania | Fair | 1940 | 86 | 300 |
| GEORGE CREEK | Pennsylvania | Fair | 1940 | 86 | 100 |
| VAN BRUNT CREEK | Pennsylvania | Poor | 1940 | 86 | 6,398 |
| VAN BRUNT CREEK | Pennsylvania | Poor | 1940 | 86 | 3,999 |
| WHITE OAK RUN | Pennsylvania | Poor | 1940 | 86 | 520 |
| ST JOHNS CREEK | Pennsylvania | Poor | 1940 | 86 | 4,575 |
| Trib to Conestoga River | Pennsylvania | Fair | 1940 | 86 | 4,615 |
| Little Conestoga Creek | Pennsylvania | Poor | 1940 | 86 | 701 |
| W BR OCTORARO CREEK | Pennsylvania | Fair | 1940 | 86 | 245 |
| MIDDLE CREEK | Pennsylvania | Poor | 1940 | 86 | 260 |
| MIDDLE CREEK | Pennsylvania | Poor | 1940 | 86 | 105 |
| COCALICO CREEK | Pennsylvania | Poor | 1940 | 86 | 825 |
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.