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 |
|---|---|---|---|---|---|
| THORN CREEK | Pennsylvania | Fair | 1947 | 79 | 5,188 |
| B&LE RAILROAD | Pennsylvania | Poor | 1947 | 79 | 739 |
| LITTLE PAINT CREEK | Pennsylvania | Fair | 1947 | 79 | 2,617 |
| TROUT RUN | Pennsylvania | Good | 1947 | 79 | 6,431 |
| FIRST FORK SINNEMAHONING | Pennsylvania | Fair | 1947 | 79 | 300 |
| BRANCH LICK RUN | Pennsylvania | Fair | 1947 | 79 | 2,629 |
| BRANCH ROARING RUN | Pennsylvania | Fair | 1947 | 79 | 779 |
| W BR SUSQUEHANNA RIVER | Pennsylvania | Fair | 1947 | 79 | 6,439 |
| CEDAR CREEK | Pennsylvania | Fair | 1947 | 79 | 641 |
| FISHING CREEK | Pennsylvania | Fair | 1947 | 79 | 1,798 |
| OLD CHANNEL TO FISH CRK | Pennsylvania | Poor | 1947 | 79 | 1,798 |
| OVER MCMICHAEL RUN | Pennsylvania | Poor | 1947 | 79 | 2,257 |
| OVER MCLAUGHLIN CREEK | Pennsylvania | Poor | 1947 | 79 | 250 |
| NORFOLK SOUTHERN RR | Pennsylvania | Fair | 1947 | 79 | 43,364 |
| CONCHESTER HIGHWAY | Pennsylvania | Fair | 1947 | 79 | 7,796 |
| RIDLEY CREEK | Pennsylvania | Fair | 1947 | 79 | 17,656 |
| CSX TRANSPORTATION | Pennsylvania | Poor | 1947 | 79 | 1,437 |
| MILL CREEK | Pennsylvania | Fair | 1947 | 79 | 3,617 |
| OPPOSSUM RUN | Pennsylvania | Fair | 1947 | 79 | 7,326 |
| LICKING CREEK | Pennsylvania | Good | 1947 | 79 | 1,898 |
| CRAYNES RUN | Pennsylvania | Good | 1947 | 79 | 2,220 |
| ROARING RUN | Pennsylvania | Fair | 1947 | 79 | 148 |
| BEAVER BRANCH | Pennsylvania | Fair | 1947 | 79 | 350 |
| TEARING RUN | Pennsylvania | Fair | 1947 | 79 | 1,779 |
| LICKING CREEK | Pennsylvania | Good | 1947 | 79 | 350 |
| OCTORARO CREEK | Pennsylvania | Good | 1947 | 79 | 375 |
| LITTLE CONESTOGA CREEK | Pennsylvania | Fair | 1947 | 79 | 659 |
| MILL CREEK | Pennsylvania | Fair | 1947 | 79 | 5,076 |
| MILL CREEK | Pennsylvania | Fair | 1947 | 79 | 2,482 |
| OVER CARPENTER RUN | Pennsylvania | Fair | 1947 | 79 | 676 |
| RED RUN | Pennsylvania | Fair | 1947 | 79 | 6,862 |
| LODAL CREEK | Pennsylvania | Fair | 1947 | 79 | 9,993 |
| SWAMP CREEK | Pennsylvania | Fair | 1947 | 79 | 9,235 |
| OLD YORK RD 3259B10 | Pennsylvania | Good | 1947 | 79 | 7,461 |
| SANDY RUN | Pennsylvania | Fair | 1947 | 79 | 2,000 |
| NORFOLK SOUTHERN | Pennsylvania | Fair | 1947 | 79 | 600 |
| CATASAUQUA CREEK | Pennsylvania | Fair | 1947 | 79 | 12,475 |
| OVER BENNYS RUN | Pennsylvania | Fair | 1947 | 79 | 14,116 |
| OVER PAXINOS CREEK | Pennsylvania | Fair | 1947 | 79 | 6,126 |
| SHAMOKIN CREEK | Pennsylvania | Fair | 1947 | 79 | 9,067 |
| OVER BR OF SHAMOKIN CRK | Pennsylvania | Fair | 1947 | 79 | 9,067 |
| OVER LITTLE SHAMOKIN CR. | Pennsylvania | Fair | 1947 | 79 | 3,150 |
| OUTLET PROMISED LAND LKE | Pennsylvania | Poor | 1947 | 79 | 1,203 |
| MIDDLE BR GENESEE RIVER | Pennsylvania | Fair | 1947 | 79 | 1,281 |
| OSWAYO CREEK | Pennsylvania | Poor | 1947 | 79 | 298 |
| LITTLE MAHANOY CREEK | Pennsylvania | Poor | 1947 | 79 | 540 |
| PANTHER CREEK | Pennsylvania | Fair | 1947 | 79 | 1,000 |
| MIDDLE BR WYALUSING CR | Pennsylvania | Fair | 1947 | 79 | 1,343 |
| TRIB HORTON CREEK | Pennsylvania | Poor | 1947 | 79 | 236 |
| HOP BOTTOM CREEK | Pennsylvania | Fair | 1947 | 79 | 738 |
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.