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 |
|---|---|---|---|---|---|
| MANADA CREEK | Pennsylvania | Fair | 1941 | 85 | 1,875 |
| CRUM CREEK | Pennsylvania | Fair | 1941 | 85 | 4,504 |
| MARCUS HOOK CREEK | Pennsylvania | Poor | 1941 | 85 | 6,603 |
| CSX RAILROAD | Pennsylvania | Poor | 1941 | 85 | 16,499 |
| OVER SIXTEEN MILE CREEK | Pennsylvania | Fair | 1941 | 85 | 7,330 |
| OVER SR 89 LAKE ROAD | Pennsylvania | Fair | 1941 | 85 | 1,044 |
| OVER FOUR MILE CREEK | Pennsylvania | Fair | 1941 | 85 | 5,562 |
| OVER FRENCH CREEK W BR | Pennsylvania | Fair | 1941 | 85 | 382 |
| LAMSON RUN | Pennsylvania | Poor | 1941 | 85 | 561 |
| GIST RUN | Pennsylvania | Fair | 1941 | 85 | 698 |
| NEWMYER RUN | Pennsylvania | Fair | 1941 | 85 | 610 |
| SHUTES RUN | Pennsylvania | Fair | 1941 | 85 | 7,049 |
| COVE RUN | Pennsylvania | Fair | 1941 | 85 | 7,049 |
| LAMB LICK RUN | Pennsylvania | Fair | 1941 | 85 | 155 |
| LAMB LICK RUN | Pennsylvania | Poor | 1941 | 85 | 155 |
| OVER TIONESTA CREEK | Pennsylvania | Fair | 1941 | 85 | 2,182 |
| OVER FORK RUN | Pennsylvania | Fair | 1941 | 85 | 139 |
| STEIGERS RUN | Pennsylvania | Fair | 1941 | 85 | 8,813 |
| W.BR.OF CONOCOCHEAQUE CR | Pennsylvania | Good | 1941 | 85 | 5,702 |
| Conococheague Creek | Pennsylvania | Fair | 1941 | 85 | 14,535 |
| E BR CONOCOCHEAQUE CREEK | Pennsylvania | Poor | 1941 | 85 | 980 |
| CONOCOCHEAGUE CREEK | Pennsylvania | Fair | 1941 | 85 | 300 |
| KENDALL RUN | Pennsylvania | Poor | 1941 | 85 | 2,626 |
| LICKING CREEK | Pennsylvania | Fair | 1941 | 85 | 285 |
| S BR LITTLE AUGHWICK CRK | Pennsylvania | Good | 1941 | 85 | 172 |
| S BR LITTLE AUGHWICK CRK | Pennsylvania | Good | 1941 | 85 | 470 |
| WOODEN BRIDGE CREEK | Pennsylvania | Good | 1941 | 85 | 430 |
| SOUTH FORK TENMILE CREEK | Pennsylvania | Poor | 1941 | 85 | 1,746 |
| TENMILE CREEK | Pennsylvania | Fair | 1941 | 85 | 1,286 |
| DUNKARD CREEK | Pennsylvania | Poor | 1941 | 85 | 66 |
| PENNA. FORK FISH CREEK | Pennsylvania | Fair | 1941 | 85 | 113 |
| BLACKS CREEK | Pennsylvania | Poor | 1941 | 85 | 236 |
| FRANKSTOWN BR. JUNIATA | Pennsylvania | Fair | 1941 | 85 | 9,128 |
| SADDLERS RUN | Pennsylvania | Fair | 1941 | 85 | 147 |
| BLACKLICK CREEK | Pennsylvania | Fair | 1941 | 85 | 791 |
| LITTLE BRUSH CREEK | Pennsylvania | Fair | 1941 | 85 | 920 |
| TRIB LITTLE BRUSH CR | Pennsylvania | Fair | 1941 | 85 | 920 |
| S BR OF TWO LICK CR | Pennsylvania | Fair | 1941 | 85 | 191 |
| BRUSH CREEK | Pennsylvania | Poor | 1941 | 85 | 336 |
| MUDDY RUN | Pennsylvania | Poor | 1941 | 85 | 149 |
| LOST CREEK | Pennsylvania | Fair | 1941 | 85 | 5,192 |
| LEGGETTS CREEK | Pennsylvania | Fair | 1941 | 85 | 37,769 |
| DAVISON CREEK | Pennsylvania | Fair | 1941 | 85 | 411 |
| BRANCH LACKAWANNA RIVER | Pennsylvania | Good | 1941 | 85 | 5,838 |
| GRIFFIN RESERVOIR SPILLW | Pennsylvania | Fair | 1941 | 85 | 841 |
| LITTLE MUDDY CREEK | Pennsylvania | Fair | 1941 | 85 | 9,074 |
| LITTLE MUDDY CREEK | Pennsylvania | Poor | 1941 | 85 | 9,074 |
| BOWERY RUN | Pennsylvania | Fair | 1941 | 85 | 402 |
| Fishing Creek | Pennsylvania | Fair | 1941 | 85 | 299 |
| E.BR.CONOWINGO CREEK | Pennsylvania | Fair | 1941 | 85 | 217 |
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.