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 |
|---|---|---|---|---|---|
| GREEN LICK RUN | Pennsylvania | Fair | 1930 | 96 | 4,719 |
| OPOSSUM RUN | Pennsylvania | Poor | 1930 | 96 | 500 |
| MOUNTAIN CREEK | Pennsylvania | Poor | 1930 | 96 | 250 |
| MOUNTAIN CREEK | Pennsylvania | Fair | 1930 | 96 | 120 |
| MOUNTAIN CREEK TRIB | Pennsylvania | Poor | 1930 | 96 | 150 |
| MIDDLE RUN | Pennsylvania | Fair | 1930 | 96 | 50 |
| REDSTONE CREEK | Pennsylvania | Poor | 1930 | 96 | 350 |
| REDSTONE CREEK | Pennsylvania | Fair | 1930 | 96 | 7,000 |
| CONOCOCHEAGUE CREEK | Pennsylvania | Good | 1930 | 96 | 9,801 |
| BR.TUSCARORA CREEK | Pennsylvania | Fair | 1930 | 96 | 782 |
| EAST BR CONOCOCHEAQUE | Pennsylvania | Fair | 1930 | 96 | 1,003 |
| DRY RUN | Pennsylvania | Fair | 1930 | 96 | 350 |
| BACK CREEK TRIB | Pennsylvania | Fair | 1930 | 96 | 1,100 |
| FALLING SPRING BRANCH | Pennsylvania | Poor | 1930 | 96 | 6,000 |
| FALLING SPRING CREEK | Pennsylvania | Poor | 1930 | 96 | 3,750 |
| CONODOGUINET CREEK | Pennsylvania | Fair | 1930 | 96 | 30 |
| BIG COVE CREEK | Pennsylvania | Fair | 1930 | 96 | 4,554 |
| WOODEN BRIDGE CREEK | Pennsylvania | Poor | 1930 | 96 | 99 |
| SOUTH FORK WHEELING CK. | Pennsylvania | Fair | 1930 | 96 | 1,996 |
| NORTH FORK WHEELING CK. | Pennsylvania | Fair | 1930 | 96 | 1,996 |
| MUDDY CREEK | Pennsylvania | Fair | 1930 | 96 | 8,665 |
| WHITELEY CREEK | Pennsylvania | Poor | 1930 | 96 | 3,099 |
| BRANCH OF CASTILE RUN | Pennsylvania | Fair | 1930 | 96 | 65 |
| DOOLEY RUN | Pennsylvania | Fair | 1930 | 96 | 1,157 |
| BRANCH OF SHARP RUN | Pennsylvania | Fair | 1930 | 96 | 50 |
| LITTLE SHANNON RUN | Pennsylvania | Poor | 1930 | 96 | 30 |
| EMMAS CREEK | Pennsylvania | Fair | 1930 | 96 | 9,793 |
| LOGAN SPRING RUN | Pennsylvania | Fair | 1930 | 96 | 1,947 |
| GLOBE RUN | Pennsylvania | Fair | 1930 | 96 | 132 |
| LICKING CREEK | Pennsylvania | Poor | 1930 | 96 | 334 |
| BLACKLOG CREEK | Pennsylvania | Fair | 1930 | 96 | 5 |
| SUGAR GROVE RUN | Pennsylvania | Fair | 1930 | 96 | 316 |
| SPRUCE CREEK | Pennsylvania | Fair | 1930 | 96 | 51 |
| YELLOW CREEK | Pennsylvania | Fair | 1930 | 96 | 2,575 |
| HARPERS RUN | Pennsylvania | Fair | 1930 | 96 | 793 |
| TWO LICK CREEK | Pennsylvania | Poor | 1930 | 96 | - |
| BEAVER RUN | Pennsylvania | Fair | 1930 | 96 | 335 |
| LOST CREEK | Pennsylvania | Fair | 1930 | 96 | 4,047 |
| SCHWEYER RUN | Pennsylvania | Fair | 1930 | 96 | 8,741 |
| TRIBUTARY TO LOST CREEK | Pennsylvania | Poor | 1930 | 96 | 300 |
| TRIBUTARY TO LOST CREEK | Pennsylvania | Poor | 1930 | 96 | 400 |
| LOST CREEK | Pennsylvania | Fair | 1930 | 96 | 100 |
| LEININGERS RUN | Pennsylvania | Fair | 1930 | 96 | 50 |
| ELK CREEK | Pennsylvania | Poor | 1930 | 96 | 100 |
| W. BR. WALLENPAUPACK CR. | Pennsylvania | Poor | 1930 | 96 | 50 |
| RUSH BROOK | Pennsylvania | Poor | 1930 | 96 | - |
| PEQUEA CREEK | Pennsylvania | Fair | 1930 | 96 | 3,307 |
| Conestoga River | Pennsylvania | Fair | 1930 | 96 | 4,615 |
| WHITEHORSE RUN | Pennsylvania | Fair | 1930 | 96 | 5,311 |
| Norfolk Southern RR | Pennsylvania | Fair | 1930 | 96 | 10,961 |
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.