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 |
|---|---|---|---|---|---|
| SR1005 LR 15050 | Pennsylvania | Fair | 1950 | 76 | 47,120 |
| VALLEY CREEK | Pennsylvania | Fair | 1950 | 76 | 47,120 |
| T-593 | Pennsylvania | Fair | 1950 | 76 | 47,120 |
| TRIB.VALLEY CREEK | Pennsylvania | Fair | 1950 | 76 | 47,120 |
| W. BR. TROUT CRK | Pennsylvania | Fair | 1950 | 76 | 47,120 |
| EAST BR.TROUT CRK | Pennsylvania | Good | 1950 | 76 | 47,120 |
| SR 0422 SR 3039 | Pennsylvania | Fair | 1950 | 76 | 37,954 |
| PIGEON CREEK | Pennsylvania | Poor | 1950 | 76 | 910 |
| DEER CREEK | Pennsylvania | Fair | 1950 | 76 | 35 |
| LICKING CREEK | Pennsylvania | Fair | 1950 | 76 | 50 |
| CHERRY RUN | Pennsylvania | Poor | 1950 | 76 | 50 |
| LEATHERWOOD CREEK | Pennsylvania | Fair | 1950 | 76 | 50 |
| BEAVER CREEK | Pennsylvania | Poor | 1950 | 76 | 50 |
| CLEARFIELD CREEK | Pennsylvania | Good | 1950 | 76 | 538 |
| ANDERSON CREEK | Pennsylvania | Good | 1950 | 76 | 4,319 |
| SANDY CREEK | Pennsylvania | Fair | 1950 | 76 | 2,818 |
| LABORDE BRANCH SANDY CR | Pennsylvania | Fair | 1950 | 76 | 2,818 |
| FISHING CREEK | Pennsylvania | Fair | 1950 | 76 | 1,763 |
| FISHING CREEK | Pennsylvania | Fair | 1950 | 76 | 710 |
| FISHING CREEK | Pennsylvania | Fair | 1950 | 76 | 923 |
| FISHING CREEK | Pennsylvania | Fair | 1950 | 76 | 950 |
| FISHING CREEK | Pennsylvania | Poor | 1950 | 76 | 175 |
| BRIAR CREEK | Pennsylvania | Good | 1950 | 76 | 16,851 |
| EAST BRANCH BRIAR CREEK | Pennsylvania | Fair | 1950 | 76 | 909 |
| OVER ROARING CREEK | Pennsylvania | Fair | 1950 | 76 | 425 |
| WEST BRANCH SHINGLE RUN | Pennsylvania | Fair | 1950 | 76 | 33 |
| OVER HUMMER CREEK | Pennsylvania | Fair | 1950 | 76 | 827 |
| OVER THOMPSON CREEK | Pennsylvania | Fair | 1950 | 76 | 324 |
| OVER MUDDY CREEK | Pennsylvania | Fair | 1950 | 76 | 239 |
| OVER MUDDY CREEK | Pennsylvania | Poor | 1950 | 76 | 192 |
| OVER SUGAR CREEK | Pennsylvania | Poor | 1950 | 76 | 386 |
| OVER CUSSEWAGO CREEK | Pennsylvania | Poor | 1950 | 76 | 2,800 |
| OVER CROOKED CREEK | Pennsylvania | Fair | 1950 | 76 | 809 |
| OVER OIL CREEK EAST BR. | Pennsylvania | Poor | 1950 | 76 | 250 |
| OVER FIVE MILE CREEK | Pennsylvania | Fair | 1950 | 76 | 250 |
| OVER LT.SUGAR CREEK | Pennsylvania | Poor | 1950 | 76 | 250 |
| OVER SUGAR CREEK | Pennsylvania | Poor | 1950 | 76 | 250 |
| US 11 SR 0011 | Pennsylvania | Fair | 1950 | 76 | 7,610 |
| LETORT SPRING RUN | Pennsylvania | Fair | 1950 | 76 | 20,357 |
| PA TPK (I-76) | Pennsylvania | Good | 1950 | 76 | 3,159 |
| PA TPK (I-76) | Pennsylvania | Fair | 1950 | 76 | 200 |
| PA TPK (I-76) | Pennsylvania | Fair | 1950 | 76 | 4,911 |
| PA TPK (I-76) | Pennsylvania | Good | 1950 | 76 | 4,679 |
| PA TPK (I-76) | Pennsylvania | Good | 1950 | 76 | 15,257 |
| PA TPK (I-76) | Pennsylvania | Fair | 1950 | 76 | 6,438 |
| PA TPK (I-76) | Pennsylvania | Good | 1950 | 76 | 6,085 |
| PA TPK (I-76) | Pennsylvania | Fair | 1950 | 76 | 200 |
| ASYLUM RUN | Pennsylvania | Poor | 1950 | 76 | 22,619 |
| TRIB TO WICONISCO CREEK | Pennsylvania | Good | 1950 | 76 | 2,116 |
| LAUREL RUN | Pennsylvania | Fair | 1950 | 76 | 9,321 |
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.