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 |
|---|---|---|---|---|---|
| LITTLE BUFFALO CREEK | Pennsylvania | Fair | 1950 | 76 | 1,420 |
| WHITE DEER HOLE CREEK | Pennsylvania | Good | 1950 | 76 | 332 |
| BEATTY RUN | Pennsylvania | Poor | 1950 | 76 | 131 |
| LITTLE SUGAR CREEK | Pennsylvania | Fair | 1950 | 76 | 196 |
| TRIB. LITTLE SANDY CREEK | Pennsylvania | Poor | 1950 | 76 | 50 |
| OVER MORSE RUN | Pennsylvania | Fair | 1950 | 76 | 8,651 |
| OVER DEER LICK RUN | Pennsylvania | Fair | 1950 | 76 | 2,149 |
| OVER ANDREWS RUN | Pennsylvania | Fair | 1950 | 76 | 75 |
| MILES RUN | Pennsylvania | Poor | 1950 | 76 | 85 |
| GARLAND RUN | Pennsylvania | Poor | 1950 | 76 | 20 |
| OVER MC GUIRE RUN | Pennsylvania | Fair | 1950 | 76 | 450 |
| CHARTIERS CREEK | Pennsylvania | Poor | 1950 | 76 | 6,711 |
| HARMON CREEK | Pennsylvania | Fair | 1950 | 76 | 166 |
| CROSS CREEK TRIB. | Pennsylvania | Good | 1950 | 76 | 150 |
| MINGO CREEK TRIBUTARY | Pennsylvania | Fair | 1950 | 76 | 400 |
| DELAWARE RIVER | Pennsylvania | Fair | 1950 | 76 | 1,317 |
| BR OF S BR CALKINS CREEK | Pennsylvania | Fair | 1950 | 76 | 573 |
| FALLSDALE POND | Pennsylvania | Fair | 1950 | 76 | 535 |
| S BR EQUINUNK CREEK | Pennsylvania | Fair | 1950 | 76 | 96 |
| SOUTH BR EQUINUNK CREEK | Pennsylvania | Poor | 1950 | 76 | 69 |
| HOLLISTER CREEK | Pennsylvania | Poor | 1950 | 76 | 20 |
| CLOVERLEAF RUN | Pennsylvania | Good | 1950 | 76 | 32,623 |
| BEAVER RUN | Pennsylvania | Good | 1950 | 76 | 30,749 |
| TROUT RUN | Pennsylvania | Fair | 1950 | 76 | 838 |
| LITTLE CRABTREE CREEK | Pennsylvania | Fair | 1950 | 76 | 922 |
| LITTLE CRABTREE CREEK | Pennsylvania | Fair | 1950 | 76 | 922 |
| LAUREL RUN | Pennsylvania | Fair | 1950 | 76 | 143 |
| SW PA R/R RD SEWICKLEY | Pennsylvania | Good | 1950 | 76 | 6,504 |
| FOUR MILE RUN | Pennsylvania | Poor | 1950 | 76 | 150 |
| BUFFALO RUN | Pennsylvania | Poor | 1950 | 76 | 250 |
| TINKERS RUN | Pennsylvania | Poor | 1950 | 76 | - |
| PA TURNPIKE RAMP E | Pennsylvania | Fair | 1950 | 76 | 68,340 |
| OTTER CREEK | Pennsylvania | Poor | 1950 | 76 | 228 |
| NORTH BR CODORUS CREEK | Pennsylvania | Poor | 1950 | 76 | 635 |
| BRANCH CODORUS CREEK | Pennsylvania | Fair | 1950 | 76 | 300 |
| STONEY RUN | Pennsylvania | Fair | 1950 | 76 | 9 |
| CATFISH CREEK | Pennsylvania | Poor | 1950 | 76 | 500 |
| HUBER RUN | Pennsylvania | Fair | 1950 | 76 | 605 |
| TRIB BIG SEWICKLEY CREEK | Pennsylvania | Fair | 1950 | 76 | 10 |
| TRIBUTARY PARK CREEK | Pennsylvania | Fair | 1950 | 76 | 6,550 |
| Mill Creek | Pennsylvania | Fair | 1950 | 76 | 600 |
| Snake Run to Beaver Run | Pennsylvania | Poor | 1950 | 76 | 82 |
| Blue Hole Creek | Pennsylvania | Poor | 1950 | 76 | 75 |
| Bens Creek | Pennsylvania | Poor | 1950 | 76 | 50 |
| Branch of Brush Creek | Pennsylvania | Poor | 1950 | 76 | 50 |
| Tributary toPerkiomen Cr | Pennsylvania | Fair | 1950 | 76 | 100 |
| Thompson Run | Pennsylvania | Fair | 1950 | 76 | 75 |
| FOURMILE CREEK | Pennsylvania | Fair | 1950 | 76 | 250 |
| TRIB TO FRENCH CK | Pennsylvania | Good | 1950 | 76 | 110 |
| MIDDLE BR. WHITE CLAY CR | Pennsylvania | Poor | 1950 | 76 | 250 |
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.