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 |
|---|---|---|---|---|---|
| BEAVER CREEK | Pennsylvania | Poor | 1928 | 98 | 11,160 |
| HAYCOCK CREEK | Pennsylvania | Fair | 1928 | 98 | 100 |
| DELAWARE RIV & NJ 29 SB | Pennsylvania | Fair | 1928 | 98 | 14,200 |
| CLAPBOARD RUN | Pennsylvania | Fair | 1928 | 98 | 1,033 |
| FOURMILE RUN | Pennsylvania | Fair | 1928 | 98 | 1,571 |
| GREENBRIAR GAP RUN | Pennsylvania | Fair | 1928 | 98 | 343 |
| WEST BR.BRANDYWINE CREEK | Pennsylvania | Fair | 1928 | 98 | 6,155 |
| EAST BRANCH BIG ELK CR. | Pennsylvania | Fair | 1928 | 98 | 364 |
| TAYLORS RUN | Pennsylvania | Fair | 1928 | 98 | 5,723 |
| WEST BR.BRANDYWINE CREEK | Pennsylvania | Fair | 1928 | 98 | 741 |
| BRANCH OF PICKERING CRK | Pennsylvania | Poor | 1928 | 98 | 194 |
| FRENCH CREEK | Pennsylvania | Poor | 1928 | 98 | 321 |
| PIGEON CREEK | Pennsylvania | Fair | 1928 | 98 | 1,430 |
| MUDDY RUN | Pennsylvania | Fair | 1928 | 98 | 250 |
| MILL RUN | Pennsylvania | Fair | 1928 | 98 | 2,180 |
| RAVEN CREEK | Pennsylvania | Poor | 1928 | 98 | 150 |
| CONODOGUINET CREEK | Pennsylvania | Fair | 1928 | 98 | 7,952 |
| HOFFER CREEK | Pennsylvania | Fair | 1928 | 98 | 1,568 |
| SPRING CREEK | Pennsylvania | Good | 1928 | 98 | 17,021 |
| SUSQUEHANNA RIVER (WEST) | Pennsylvania | Poor | 1928 | 98 | 11,556 |
| SUSQUEHANNA RIVER (EAST) | Pennsylvania | Fair | 1928 | 98 | 11,556 |
| SEPTA (WEST CHESTER R3) | Pennsylvania | Poor | 1928 | 98 | 8,427 |
| DARBY CREEK | Pennsylvania | Fair | 1928 | 98 | 9,364 |
| TROUT RUN | Pennsylvania | Fair | 1928 | 98 | 2,886 |
| DARBY CREEK | Pennsylvania | Fair | 1928 | 98 | 7,425 |
| SEPTA | Pennsylvania | Fair | 1928 | 98 | 20,184 |
| MARCUS HOOK CREEK/3806A7 | Pennsylvania | Poor | 1928 | 98 | 6,717 |
| DARBY CREEK | Pennsylvania | Fair | 1928 | 98 | 4,066 |
| DARBY CREEK | Pennsylvania | Poor | 1928 | 98 | 1,554 |
| LANGFORD RUN | Pennsylvania | Fair | 1928 | 98 | 51 |
| MILL POND | Pennsylvania | Poor | 1928 | 98 | 161 |
| CATS CREEK | Pennsylvania | Poor | 1928 | 98 | 1,872 |
| ALLEN RUN | Pennsylvania | Poor | 1928 | 98 | 50 |
| JENNINGS RUN | Pennsylvania | Poor | 1928 | 98 | 500 |
| DICKERSON RUN | Pennsylvania | Poor | 1928 | 98 | 50 |
| EBR Antietam Creek | Pennsylvania | Fair | 1928 | 98 | 14,219 |
| Conococheague Creek | Pennsylvania | Fair | 1928 | 98 | 2,885 |
| TENMILE CREEK | Pennsylvania | Fair | 1928 | 98 | 884 |
| CABALA RUN | Pennsylvania | Fair | 1928 | 98 | 414 |
| DELAWARE CREEK | Pennsylvania | Fair | 1928 | 98 | 3,737 |
| DOE RUN | Pennsylvania | Fair | 1928 | 98 | 2,357 |
| MILL RACE CREEK | Pennsylvania | Fair | 1928 | 98 | 321 |
| SOUTH BR TUNKHANNOCK CR | Pennsylvania | Fair | 1928 | 98 | 1,453 |
| SOUTH BR TUNKHANNOCK CK | Pennsylvania | Poor | 1928 | 98 | 992 |
| TRIB S BR TUNKHANNOCK CK | Pennsylvania | Fair | 1928 | 98 | 992 |
| MILL CREEK | Pennsylvania | Fair | 1928 | 98 | 192 |
| RACOON CREEK | Pennsylvania | Fair | 1928 | 98 | 191 |
| INDIANTOWN CREEK | Pennsylvania | Fair | 1928 | 98 | 800 |
| PINE CREEK | Pennsylvania | Poor | 1928 | 98 | 1,278 |
| BIG BLACK CREEK | Pennsylvania | Fair | 1928 | 98 | 15,032 |
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.