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 |
|---|---|---|---|---|---|
| LITTLE WAPWALLOPEN CREEK | Pennsylvania | Fair | 1920 | 106 | 1,065 |
| BEAVER DAM RUN | Pennsylvania | Fair | 1920 | 106 | 50 |
| LITTLE MUNCY CREEK | Pennsylvania | Fair | 1920 | 106 | 40 |
| LAUREL RUN | Pennsylvania | Poor | 1920 | 106 | 20 |
| BEAVER DAM RUN | Pennsylvania | Fair | 1920 | 106 | 52 |
| ROCK RUN | Pennsylvania | Fair | 1920 | 106 | 50 |
| GLADE RUN | Pennsylvania | Fair | 1920 | 106 | 504 |
| GLADE RUN | Pennsylvania | Fair | 1920 | 106 | 378 |
| HAGERMANS RUN | Pennsylvania | Fair | 1920 | 106 | 500 |
| HARRISBURG RUN | Pennsylvania | Poor | 1920 | 106 | 150 |
| LAUREL CREEK | Pennsylvania | Poor | 1920 | 106 | 1,000 |
| KISHACOQUILLAS CREEK | Pennsylvania | Poor | 1920 | 106 | 628 |
| STRODES RUN | Pennsylvania | Fair | 1920 | 106 | 600 |
| CHERRY CREEK | Pennsylvania | Poor | 1920 | 106 | 68 |
| TRIB OF SKIPPACK CREEK | Pennsylvania | Good | 1920 | 106 | 365 |
| NORFOLK SOUTHERN (HSB) | Pennsylvania | Poor | 1920 | 106 | 750 |
| NORFOLK SOUTHERN (HSB) | Pennsylvania | Poor | 1920 | 106 | 100 |
| SILVER CREEK | Pennsylvania | Fair | 1920 | 106 | 1,900 |
| TRIB SHAM CREEK | Pennsylvania | Fair | 1920 | 106 | 9,304 |
| WARRIOR RUN | Pennsylvania | Poor | 1920 | 106 | 1,200 |
| PLUM CREEK | Pennsylvania | Fair | 1920 | 106 | 100 |
| TRIB.TO PLUM CREEK | Pennsylvania | Poor | 1920 | 106 | 75 |
| HUNTERS RUN | Pennsylvania | Fair | 1920 | 106 | 141 |
| LITTLE BUFFALO CREEK | Pennsylvania | Fair | 1920 | 106 | 200 |
| STEER RUN | Pennsylvania | Fair | 1920 | 106 | 1,289 |
| OSWAYO CREEK | Pennsylvania | Poor | 1920 | 106 | - |
| SO. BR. SWATARA CREEK | Pennsylvania | Poor | 1920 | 106 | 3,582 |
| DEEP CREEK | Pennsylvania | Poor | 1920 | 106 | 100 |
| DEEP CREEK | Pennsylvania | Good | 1920 | 106 | 100 |
| BEAVER CREEK | Pennsylvania | Fair | 1920 | 106 | 700 |
| PINE CREEK | Pennsylvania | Fair | 1920 | 106 | 150 |
| MAHANOY CREEK | Pennsylvania | Poor | 1920 | 106 | 300 |
| MAHANOY CREEK | Pennsylvania | Poor | 1920 | 106 | 300 |
| BRUSH CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| LICK CREEK | Pennsylvania | Poor | 1920 | 106 | 30 |
| BLACK CREEK | Pennsylvania | Fair | 1920 | 106 | 50 |
| SNAKE CREEK | Pennsylvania | Fair | 1920 | 106 | 50 |
| TROWBRIDGE CREEK | Pennsylvania | Fair | 1920 | 106 | 100 |
| BUTLER CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| MARTINS CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| E. BR. LACKAWANNA RIVER | Pennsylvania | Fair | 1920 | 106 | 75 |
| GAYLORD CREEK | Pennsylvania | Fair | 1920 | 106 | 50 |
| ELK LAKE STREAM | Pennsylvania | Poor | 1920 | 106 | 75 |
| MIDDLE BR. WYALUSING CR. | Pennsylvania | Fair | 1920 | 106 | 100 |
| STARRUCCA CREEK | Pennsylvania | Poor | 1920 | 106 | 100 |
| YARNELL BROOK | Pennsylvania | Fair | 1920 | 106 | 54 |
| OVER SUGAR CREEK | Pennsylvania | Fair | 1920 | 106 | 895 |
| STEWART RUN | Pennsylvania | Fair | 1920 | 106 | 100 |
| PINE RUN | Pennsylvania | Poor | 1920 | 106 | 50 |
| OVER LT. BROKENSTRAW CK. | Pennsylvania | Poor | 1920 | 106 | 100 |
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.