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 |
|---|---|---|---|---|---|
| WYSOX CREEK | Pennsylvania | Fair | 1920 | 106 | 1,598 |
| WYSOX CREEK | Pennsylvania | Fair | 1920 | 106 | 1,168 |
| LADDS CREEK | Pennsylvania | Fair | 1920 | 106 | 4,215 |
| POND HILL RUN | Pennsylvania | Fair | 1920 | 106 | 197 |
| OVER WAPPASENING CK | Pennsylvania | Fair | 1920 | 106 | 615 |
| HORN BROOK | Pennsylvania | Fair | 1920 | 106 | 198 |
| SATTERLEE CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| CAYUTA CREEK | Pennsylvania | Poor | 1920 | 106 | 1,200 |
| FALLS CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| WEST BR. TOMJACK CREEK | Pennsylvania | Fair | 1920 | 106 | 30 |
| TOMJACK CREEK | Pennsylvania | Poor | 1920 | 106 | 35 |
| NORTH BR.NESHAMINY CREEK | Pennsylvania | Fair | 1920 | 106 | 18,709 |
| BEAVER RUN | Pennsylvania | Fair | 1920 | 106 | 10,965 |
| ROCK RUN | Pennsylvania | Fair | 1920 | 106 | 9,029 |
| POQUESSING CREEK | Pennsylvania | Poor | 1920 | 106 | 300 |
| JERICHO CREEK | Pennsylvania | Fair | 1920 | 106 | 100 |
| SARVER RUN | Pennsylvania | Fair | 1920 | 106 | 200 |
| HAYS RUN | Pennsylvania | Fair | 1920 | 106 | 100 |
| THORN CREEK | Pennsylvania | Fair | 1920 | 106 | 100 |
| CRAB RUN | Pennsylvania | Fair | 1920 | 106 | 350 |
| BONNIE BROOK | Pennsylvania | Fair | 1920 | 106 | 100 |
| THORN CREEK | Pennsylvania | Fair | 1920 | 106 | 100 |
| BLACK RUN | Pennsylvania | Fair | 1920 | 106 | 100 |
| BUCK MOUNTAIN CREEK | Pennsylvania | Fair | 1920 | 106 | 2,073 |
| NESQUEHONING CREEK | Pennsylvania | Fair | 1920 | 106 | 250 |
| BRANCH PICKERING CREEK | Pennsylvania | Poor | 1920 | 106 | 695 |
| BRANCH PICKERING CREEK | Pennsylvania | Poor | 1920 | 106 | 695 |
| TRIB TO CHESTER CREEK | Pennsylvania | Good | 1920 | 106 | 1,575 |
| ROCK RUN | Pennsylvania | Fair | 1920 | 106 | 225 |
| CRUM CREEK | Pennsylvania | Fair | 1920 | 106 | 250 |
| TRIB TO ALLEGHENY RIVER | Pennsylvania | Poor | 1920 | 106 | 50 |
| BEAVER RUN | Pennsylvania | Poor | 1920 | 106 | 2,589 |
| LAUREL RUN | Pennsylvania | Fair | 1920 | 106 | 100 |
| W BR SUSQUEHANNA RIVER | Pennsylvania | Fair | 1920 | 106 | 40 |
| W BR SUSQUEHANNA RIVER | Pennsylvania | Poor | 1920 | 106 | - |
| GREEN RUN | Pennsylvania | Fair | 1920 | 106 | 10 |
| KRATZER RUN | Pennsylvania | Poor | 1920 | 106 | 70 |
| CHATHAM RUN | Pennsylvania | Fair | 1920 | 106 | 50 |
| MUD CREEK | Pennsylvania | Fair | 1920 | 106 | 50 |
| OVER MUDDY CREEK | Pennsylvania | Poor | 1920 | 106 | 250 |
| OVER FEDERAL RUN | Pennsylvania | Fair | 1920 | 106 | 250 |
| OVER MIDDLE BR.CONNEAUT | Pennsylvania | Fair | 1920 | 106 | 250 |
| OVER BRITTON RUN | Pennsylvania | Fair | 1920 | 106 | 250 |
| OVER CONNEAUT CREEK | Pennsylvania | Poor | 1920 | 106 | 250 |
| OVER SUGAR LAKE TRIB. | Pennsylvania | Good | 1920 | 106 | 250 |
| MOUNTAIN CREEK | Pennsylvania | Poor | 1920 | 106 | 100 |
| SHIPPEN RUN | Pennsylvania | Poor | 1920 | 106 | 4,055 |
| BRANCH OF SPRING CREEK | Pennsylvania | Poor | 1920 | 106 | 1,985 |
| ARMSTRONG CREEK | Pennsylvania | Poor | 1920 | 106 | 312 |
| PAXTON CREEK | Pennsylvania | Fair | 1920 | 106 | 1,000 |
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.