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 |
|---|---|---|---|---|---|
| SCHUYLKILL EXPRESSWAY | Pennsylvania | Fair | 1950 | 76 | 1,606 |
| SCHUYLKILL EXPRESSWAY | Pennsylvania | Fair | 1950 | 76 | 1,497 |
| S.GULPH SEPTA CRK LANE | Pennsylvania | Fair | 1950 | 76 | 66,436 |
| MATSONFORD ROAD | Pennsylvania | Poor | 1950 | 76 | 66,436 |
| SCHUYLKILL EXPRESSWAY | Pennsylvania | Fair | 1950 | 76 | 31,286 |
| LODAL CREEK | Pennsylvania | Poor | 1950 | 76 | 12,530 |
| BRANCH SWAMP CREEK | Pennsylvania | Fair | 1950 | 76 | 376 |
| GULPH CREEK / 34K04 | Pennsylvania | Fair | 1950 | 76 | 14,277 |
| OVER LIMESTONE RUN | Pennsylvania | Fair | 1950 | 76 | 675 |
| BUSHKILL CREEK | Pennsylvania | Fair | 1950 | 76 | 5,480 |
| WEST BR.OF MONOCACY CK. | Pennsylvania | Fair | 1950 | 76 | 409 |
| PA 611(SR0611) | Pennsylvania | Good | 1950 | 76 | 30,300 |
| N. 3RD ST (SR 2023) | Pennsylvania | Good | 1950 | 76 | 30,300 |
| NORTH BANK STREET | Pennsylvania | Fair | 1950 | 76 | 30,300 |
| OVER DRY RUN | Pennsylvania | Fair | 1950 | 76 | 681 |
| LIMESTONE RUN | Pennsylvania | Good | 1950 | 76 | 177 |
| SHAMOKIN CREEK | Pennsylvania | Fair | 1950 | 76 | 3,277 |
| OVER ZERBE RUN | Pennsylvania | Fair | 1950 | 76 | 213 |
| UNT DELAWARE RUN | Pennsylvania | Fair | 1950 | 76 | 200 |
| BIXLER RUN | Pennsylvania | Fair | 1950 | 76 | 698 |
| WILDCAT CREEK | Pennsylvania | Fair | 1950 | 76 | 117 |
| SHULTZ CREEK | Pennsylvania | Poor | 1950 | 76 | 50 |
| BULL RUN | Pennsylvania | Poor | 1950 | 76 | 75 |
| MCCABE RUN | Pennsylvania | Fair | 1950 | 76 | 175 |
| MUDDY RUN | Pennsylvania | Fair | 1950 | 76 | 100 |
| DECKER CREEK | Pennsylvania | Poor | 1950 | 76 | 5,455 |
| TAYLORTOWN CREEK | Pennsylvania | Fair | 1950 | 76 | 50 |
| SOUTH WOODS BRANCH | Pennsylvania | Poor | 1950 | 76 | 25 |
| FIRST FORK SINNEMAHONING | Pennsylvania | Poor | 1950 | 76 | 60 |
| WEST BRANCH FREEMAN RUN | Pennsylvania | Poor | 1950 | 76 | 100 |
| COLD RUN CREEK | Pennsylvania | Poor | 1950 | 76 | 100 |
| LOCUST CREEK | Pennsylvania | Poor | 1950 | 76 | 20 |
| TRIB TO LIZARD CREEK | Pennsylvania | Fair | 1950 | 76 | 50 |
| MIDDLE CREEK | Pennsylvania | Fair | 1950 | 76 | 500 |
| OVER MIDDLE CREEK | Pennsylvania | Fair | 1950 | 76 | 1,198 |
| TRIB MIDDLE CREEK | Pennsylvania | Fair | 1950 | 76 | 703 |
| N.BR.MAHANTANGO CR. | Pennsylvania | Poor | 1950 | 76 | 50 |
| T467 OVER SWIFT RUN | Pennsylvania | Poor | 1950 | 76 | 100 |
| ROARING FORK | Pennsylvania | Poor | 1950 | 76 | 51 |
| SEESE RUN | Pennsylvania | Poor | 1950 | 76 | 100 |
| OVER W BR OF ELK CREEK | Pennsylvania | Fair | 1950 | 76 | 166 |
| E.BR. OF ELK CREEK | Pennsylvania | Fair | 1950 | 76 | 166 |
| SALT LICK CREEK | Pennsylvania | Good | 1950 | 76 | 938 |
| TRIB OF DUBOIS CREEK | Pennsylvania | Fair | 1950 | 76 | 44 |
| LITTLE MESHOPPEN CREEK | Pennsylvania | Fair | 1950 | 76 | 209 |
| OUTLET STATE POND | Pennsylvania | Fair | 1950 | 76 | 175 |
| OVER STONY FORK CREEK | Pennsylvania | Fair | 1950 | 76 | 261 |
| OVER BOYDEN BROOK | Pennsylvania | Fair | 1950 | 76 | 1,041 |
| CUSTARD RUN | Pennsylvania | Fair | 1950 | 76 | 105 |
| KELSEY CREEK | Pennsylvania | Fair | 1950 | 76 | 1,000 |
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.