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 |
|---|---|---|---|---|---|
| LICK ISLAND RUN | Pennsylvania | Good | 1945 | 81 | 20 |
| MAHONING CREEK | Pennsylvania | Fair | 1945 | 81 | 14,308 |
| OVER HENDERSON RUN | Pennsylvania | Poor | 1945 | 81 | 250 |
| CUSSEWAGO CREEK | Pennsylvania | Fair | 1945 | 81 | 69 |
| CRABAPPLE CREEK | Pennsylvania | Fair | 1945 | 81 | 207 |
| BATES FORK BROWN CREEK | Pennsylvania | Fair | 1945 | 81 | 46 |
| LITTLE MUDDY CREEK | Pennsylvania | Poor | 1945 | 81 | 310 |
| LITTLE COCALICO CREEK | Pennsylvania | Fair | 1945 | 81 | 515 |
| LYON CREEK | Pennsylvania | Fair | 1945 | 81 | 50 |
| KINGS RUN | Pennsylvania | Poor | 1945 | 81 | 497 |
| SECHLER RUN | Pennsylvania | Fair | 1945 | 81 | 500 |
| CATASAUQUA CREEK | Pennsylvania | Poor | 1945 | 81 | 8,227 |
| WEST BRANCH COXES CREEK | Pennsylvania | Fair | 1945 | 81 | 477 |
| HOP BOTTOM CREEK | Pennsylvania | Fair | 1945 | 81 | 256 |
| STARRUCCA CREEK | Pennsylvania | Poor | 1945 | 81 | 75 |
| NORTH RUN | Pennsylvania | Fair | 1945 | 81 | 100 |
| OVER COLD RUN | Pennsylvania | Fair | 1945 | 81 | 121 |
| BRANCH OF SUGAR CREEK | Pennsylvania | Fair | 1945 | 81 | 120 |
| MON-VIEW MINE TRACKS | Pennsylvania | Fair | 1945 | 81 | 7,250 |
| BUFFALO CREEK | Pennsylvania | Poor | 1945 | 81 | 268 |
| TENMILE CREEK | Pennsylvania | Fair | 1945 | 81 | 87 |
| LACKAWAXEN RIVER | Pennsylvania | Poor | 1945 | 81 | 850 |
| WHITELOCK CREEK | Pennsylvania | Poor | 1945 | 81 | 50 |
| WHITELOCK CREEK | Pennsylvania | Poor | 1945 | 81 | 50 |
| Brubaker Run | Pennsylvania | Fair | 1945 | 81 | 10 |
| BIG SEWICKLEY CREEK | Pennsylvania | Fair | 1946 | 80 | 20,496 |
| NELSON RUN ROAD | Pennsylvania | Fair | 1946 | 80 | 50,212 |
| BABCOCK BLVD GIRDYS RUN | Pennsylvania | Poor | 1946 | 80 | 50,212 |
| MCKNIGHT RUN | Pennsylvania | Fair | 1946 | 80 | 46,766 |
| BECKS RUN | Pennsylvania | Fair | 1946 | 80 | 13,104 |
| BECKS RUN | Pennsylvania | Fair | 1946 | 80 | 400 |
| SPENCER RUN | Pennsylvania | Poor | 1946 | 80 | 204 |
| TOMJACK CREEK | Pennsylvania | Good | 1946 | 80 | 614 |
| LICKING CREEK | Pennsylvania | Fair | 1946 | 80 | 2,150 |
| LITTLE CHEST CREEK | Pennsylvania | Good | 1946 | 80 | 513 |
| CHESTER CREEK | Pennsylvania | Fair | 1946 | 80 | 12,485 |
| BRANCH RIDLEY CREEK | Pennsylvania | Fair | 1946 | 80 | 8,472 |
| TRIB TO DEER CREEK | Pennsylvania | Fair | 1946 | 80 | 3,733 |
| NAYLORS RUN | Pennsylvania | Fair | 1946 | 80 | 490 |
| MEADOW RUN | Pennsylvania | Fair | 1946 | 80 | 562 |
| LITTLE TONOLOWAY CREEK | Pennsylvania | Fair | 1946 | 80 | 536 |
| TR.SAWMILL HOLLOW RUN | Pennsylvania | Poor | 1946 | 80 | 25 |
| BRANCH MUDDY CREEK | Pennsylvania | Good | 1946 | 80 | 1,080 |
| SIDELING HILL CREEK | Pennsylvania | Fair | 1946 | 80 | 100 |
| LACKAWANNA RIVER | Pennsylvania | Fair | 1946 | 80 | 11,957 |
| Eliminated RR Tracks | Pennsylvania | Poor | 1946 | 80 | 16,883 |
| Eliminated RR Tracks | Pennsylvania | Fair | 1946 | 80 | 16,883 |
| NS RR | Pennsylvania | Poor | 1946 | 80 | 16,883 |
| RACCOON CREEK | Pennsylvania | Fair | 1946 | 80 | 11,706 |
| PA 934; SR 0934 | Pennsylvania | Fair | 1946 | 80 | 9,794 |
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.