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 |
|---|---|---|---|---|---|
| BIG ELK CREEK | Pennsylvania | Poor | 1875 | 151 | 188 |
| ROARING CREEK | Pennsylvania | Fair | 1875 | 151 | 50 |
| LEBOEUF CREEK | Pennsylvania | Poor | 1875 | 151 | — |
| PEQUEA CREEK | Pennsylvania | Good | 1875 | 151 | 1,200 |
| SLIPPERY ROCK CREEK | Pennsylvania | Poor | 1875 | 151 | 150 |
| TOHICKON CREEK | Pennsylvania | Fair | 1876 | 150 | 150 |
| ROARING CREEK | Pennsylvania | Fair | 1876 | 150 | 50 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1876 | 150 | 50 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1876 | 150 | 50 |
| BACK CREEK | Pennsylvania | Poor | 1876 | 150 | 100 |
| MILL CREEK | Pennsylvania | Fair | 1876 | 150 | 50 |
| JORDAN CREEK | Pennsylvania | Fair | 1876 | 150 | 727 |
| S. BR. of ROARING CREEK | Pennsylvania | Fair | 1876 | 150 | 250 |
| WALLENPAUPACK CREEK | Pennsylvania | Poor | 1876 | 150 | 1,158 |
| Abandoned Park Trolley | Pennsylvania | Fair | 1876 | 150 | 12,500 |
| Parkside Avenue Ext. | Pennsylvania | Fair | 1876 | 150 | 16,000 |
| Abandoned Park Trolley | Pennsylvania | Fair | 1876 | 150 | 900 |
| PENNSYLVANIA CANAL | Pennsylvania | Fair | 1877 | 149 | 129 |
| GALLOWS RUN | Pennsylvania | Fair | 1877 | 149 | 50 |
| EAST BR.BRANDYWINE CREEK | Pennsylvania | Fair | 1877 | 149 | 546 |
| LARRYS CREEK | Pennsylvania | Poor | 1877 | 149 | 10 |
| BENS CREEK | Pennsylvania | Fair | 1877 | 149 | 50 |
| LICKING CREEK | Pennsylvania | Fair | 1878 | 148 | 50 |
| W BR OCTORARO CRK | Pennsylvania | Fair | 1878 | 148 | 340 |
| CONESTOGA RIVER | Pennsylvania | Fair | 1878 | 148 | 165 |
| PEQUEA CREEK | Pennsylvania | Fair | 1878 | 148 | 340 |
| STONY CREEK | Pennsylvania | Poor | 1878 | 148 | 27,202 |
| TOWN CREEK | Pennsylvania | Fair | 1879 | 147 | 100 |
| PICKERING CREEK | Pennsylvania | Poor | 1879 | 147 | 719 |
| PRINCESS CREEK | Pennsylvania | Poor | 1880 | 146 | 750 |
| OCTORARO CREEK | Pennsylvania | Fair | 1880 | 146 | 466 |
| E OCTORARO CREEK | Pennsylvania | Poor | 1880 | 146 | 150 |
| PERKIOMEN CREEK | Pennsylvania | Fair | 1880 | 146 | 784 |
| Shermans Creek | Pennsylvania | Good | 1880 | 146 | 139 |
| MIDDLE BR. SUGAR CREEK | Pennsylvania | Poor | 1880 | 146 | 100 |
| MUD RUN | Pennsylvania | Good | 1881 | 145 | 10 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1881 | 145 | 50 |
| CHILLISQUAQUE CREEK | Pennsylvania | Poor | 1881 | 145 | 100 |
| STONYCREEK RIVER | Pennsylvania | Fair | 1881 | 145 | 50 |
| MINGO CREEK | Pennsylvania | Fair | 1881 | 145 | 300 |
| NORFOLK/SOUTHERN RR | Pennsylvania | Poor | 1882 | 144 | 13,104 |
| COOKS CREEK | Pennsylvania | Fair | 1882 | 144 | 250 |
| WHEELING CREEK TRIB | Pennsylvania | Fair | 1882 | 144 | 30 |
| MONONGAHELA RIVER CSX RR | Pennsylvania | Fair | 1883 | 143 | 7,417 |
| MONTOUR RUN | Pennsylvania | Good | 1883 | 143 | 5,321 |
| DUNNING CREEK | Pennsylvania | Fair | 1883 | 143 | 100 |
| MAIDEN CREEK | Pennsylvania | Poor | 1883 | 143 | 868 |
| E. BR. PERKIOMEN CREEK | Pennsylvania | Fair | 1883 | 143 | 250 |
| Abandoned Canal | Pennsylvania | Fair | 1883 | 143 | 4,000 |
| CLEARFIELD CREEK | Pennsylvania | Poor | 1883 | 143 | — |
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.