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 |
|---|---|---|---|---|---|
| KEGG RUN | Pennsylvania | Poor | 1910 | 116 | 120 |
| WYOMISSING CREEK | Pennsylvania | Fair | 1910 | 116 | 51 |
| COLD CREEK | Pennsylvania | Poor | 1910 | 116 | 50 |
| WAPPASENING CREEK | Pennsylvania | Fair | 1910 | 116 | 75 |
| TOWANDA CREEK | Pennsylvania | Fair | 1910 | 116 | 175 |
| HOUGHS CREEK / 3038-J5 | Pennsylvania | Poor | 1910 | 116 | 3,839 |
| AQUETONG CREEK | Pennsylvania | Fair | 1910 | 116 | 800 |
| PINE RUN | Pennsylvania | Fair | 1910 | 116 | 200 |
| SWAMP CREEK(UNAMI) | Pennsylvania | Poor | 1910 | 116 | 150 |
| LARDINTOWN RUN | Pennsylvania | Poor | 1910 | 116 | 263 |
| CONNOQUENESSING CR | Pennsylvania | Fair | 1910 | 116 | 100 |
| N BR SLIPPERY ROCK CR | Pennsylvania | Fair | 1910 | 116 | 100 |
| TR.OF HINCKSTON RUN | Pennsylvania | Fair | 1910 | 116 | 103 |
| HUNTS RUN | Pennsylvania | Fair | 1910 | 116 | 75 |
| MAHONING CREEK | Pennsylvania | Fair | 1910 | 116 | 910 |
| MAHONING CREEK | Pennsylvania | Fair | 1910 | 116 | 250 |
| MAHONING CREEK | Pennsylvania | Poor | 1910 | 116 | 150 |
| STONEY CREEK | Pennsylvania | Poor | 1910 | 116 | — |
| MAHONING CREEK | Pennsylvania | Fair | 1910 | 116 | 500 |
| BUSH HOLLOW | Pennsylvania | Fair | 1910 | 116 | 3,806 |
| ELK CREEK | Pennsylvania | Fair | 1910 | 116 | 10 |
| INDIAN RUN | Pennsylvania | Fair | 1910 | 116 | 4,787 |
| HONEY BRK.W.BR.BRANDYWIN | Pennsylvania | Poor | 1910 | 116 | 668 |
| DEER CREEK | Pennsylvania | Fair | 1910 | 116 | 50 |
| PINEY CREEK | Pennsylvania | Fair | 1910 | 116 | 50 |
| RICHEY RUN | Pennsylvania | Fair | 1910 | 116 | 50 |
| POTTS RUN | Pennsylvania | Fair | 1910 | 116 | 45 |
| BEAVER RUN | Pennsylvania | Poor | 1910 | 116 | 1,130 |
| LITTLE GREEN CREEK | Pennsylvania | Fair | 1910 | 116 | 50 |
| LITTLE FISHING CREEK | Pennsylvania | Fair | 1910 | 116 | 100 |
| GREEN CREEK | Pennsylvania | Fair | 1910 | 116 | 120 |
| OVER OUTLET CREEK | Pennsylvania | Fair | 1910 | 116 | 352 |
| OVER CUSSEWAGO CREEK | Pennsylvania | Fair | 1910 | 116 | 250 |
| OVER LT.SUGAR CREEK | Pennsylvania | Fair | 1910 | 116 | 250 |
| OVER PINE CREEK | Pennsylvania | Fair | 1910 | 116 | 250 |
| OVER CARR RUN TRIB. | Pennsylvania | Fair | 1910 | 116 | 250 |
| OVER MILL RUN | Pennsylvania | Fair | 1910 | 116 | 2,500 |
| OVER MILL RUN | Pennsylvania | Fair | 1910 | 116 | 2,500 |
| OVER MILL RUN | Pennsylvania | Poor | 1910 | 116 | 50 |
| LITTLE WICONISCO CREEK | Pennsylvania | Fair | 1910 | 116 | 3,834 |
| TRIB TO PINE CREEK | Pennsylvania | Poor | 1910 | 116 | 253 |
| FISHING CREEK | Pennsylvania | Poor | 1910 | 116 | 7,944 |
| S 10TH ST PAXTON CREEK | Pennsylvania | Fair | 1910 | 116 | 2,000 |
| RUSH RUN | Pennsylvania | Poor | 1910 | 116 | 690 |
| HEN RUN | Pennsylvania | Poor | 1910 | 116 | 25 |
| JACOBS CREEK | Pennsylvania | Poor | 1910 | 116 | 127 |
| BUCK RUN | Pennsylvania | Fair | 1910 | 116 | 300 |
| OVER EAST HICKORY CREEK | Pennsylvania | Poor | 1910 | 116 | 100 |
| OVER ROSS RUN | Pennsylvania | Fair | 1910 | 116 | 50 |
| OVER ROSS RUN | Pennsylvania | Fair | 1910 | 116 | 50 |
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.