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 |
|---|---|---|---|---|---|
| LICKING CREEK | Pennsylvania | Fair | 1883 | 143 | 100 |
| LITTLE CHIQUES CREEK | Pennsylvania | Fair | 1883 | 143 | 465 |
| PENNYPACK CREEK | Pennsylvania | Poor | 1883 | 143 | 3,280 |
| SEPTA (Chestnut Hill W.) | Pennsylvania | Good | 1883 | 143 | 6,500 |
| SEPTA | Pennsylvania | Good | 1883 | 143 | 6,880 |
| SEPTA (Chestnut Hill E.) | Pennsylvania | Good | 1883 | 143 | 1,100 |
| BEAVER RIVER | Pennsylvania | Poor | 1884 | 142 | 6,523 |
| YELLOW CREEK | Pennsylvania | Good | 1884 | 142 | 45 |
| RUMMERFIELD CREEK | Pennsylvania | Fair | 1884 | 142 | 50 |
| PAUNNACUSSING CREEK | Pennsylvania | Poor | 1884 | 142 | 147 |
| DELAWARE RIVER | Pennsylvania | Fair | 1884 | 142 | 13,200 |
| OVER STONE RUN | Pennsylvania | Fair | 1884 | 142 | 250 |
| WISSAHICKON CREEK | Pennsylvania | Poor | 1884 | 142 | 5,864 |
| OVER OIL CREEK | Pennsylvania | Poor | 1884 | 142 | 77 |
| BIG SEWICKLEY CREEK | Pennsylvania | Fair | 1885 | 141 | 10 |
| GADDES RUN | Pennsylvania | Fair | 1885 | 141 | 1,567 |
| OCTORARO CREEK | Pennsylvania | Fair | 1885 | 141 | 130 |
| CONODOGUINET CREEK | Pennsylvania | Poor | 1885 | 141 | 250 |
| SOUTH FORK TENMILE CREEK | Pennsylvania | Fair | 1885 | 141 | 25 |
| STAFFORD MEADOW BROOK | Pennsylvania | Poor | 1885 | 141 | 1,200 |
| CHIQUES CREEK | Pennsylvania | Good | 1885 | 141 | 570 |
| ONTELAUNEE CREEK | Pennsylvania | Poor | 1885 | 141 | 50 |
| Little Shenango River | Pennsylvania | Poor | 1885 | 141 | 57 |
| W BR DYBERRY CREEK | Pennsylvania | Poor | 1885 | 141 | 22 |
| CRESHEIM CREEK | Pennsylvania | Poor | 1885 | 141 | 8,525 |
| Manayunk Canal | Pennsylvania | Fair | 1885 | 141 | 200 |
| CSX R.R. | Pennsylvania | Fair | 1885 | 141 | 16,516 |
| VALLEY CREEK | Pennsylvania | Fair | 1886 | 140 | 24 |
| CHEST CREEK | Pennsylvania | Poor | 1886 | 140 | 171 |
| BUSHKILL CREEK | Pennsylvania | Fair | 1886 | 140 | 13,117 |
| GAYLORD CREEK | Pennsylvania | Poor | 1886 | 140 | 25 |
| CSX TRANSPORTATION | Pennsylvania | Poor | 1886 | 140 | 2,529 |
| CAMP RUN | Pennsylvania | Fair | 1887 | 139 | 80 |
| NORTH BR NESHAMINY CREEK | Pennsylvania | Fair | 1887 | 139 | 100 |
| FRENCH CREEK | Pennsylvania | Fair | 1887 | 139 | 187 |
| HAMMER CREEK | Pennsylvania | Fair | 1887 | 139 | 400 |
| BRANCH OF JORDAN CREEK | Pennsylvania | Fair | 1887 | 139 | 410 |
| FIVE MILE RUN | Pennsylvania | Fair | 1887 | 139 | 23,102 |
| FROG HOLLOW CREEK | Pennsylvania | Fair | 1887 | 139 | 6,623 |
| STONYCREEK RIVER | Pennsylvania | Poor | 1887 | 139 | 75 |
| MIDDLE BR. WYALUSING CR. | Pennsylvania | Fair | 1887 | 139 | 50 |
| MDL BRANCH WYALUSING CRK | Pennsylvania | Fair | 1887 | 139 | 100 |
| TENMILE CREEK | Pennsylvania | Fair | 1887 | 139 | 10 |
| CROSS CREEK | Pennsylvania | Poor | 1887 | 139 | 20 |
| TEMPLETON FORK | Pennsylvania | Poor | 1887 | 139 | 40 |
| KINGS CREEK | Pennsylvania | Fair | 1887 | 139 | 50 |
| KINGS CREEK | Pennsylvania | Fair | 1887 | 139 | 67 |
| RACCOON CREEK TRIB | Pennsylvania | Fair | 1887 | 139 | 15 |
| RACCOON CREEK | Pennsylvania | Poor | 1887 | 139 | 40 |
| Wheeling Creek Trib | Pennsylvania | Poor | 1887 | 139 | 30 |
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.