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 |
|---|---|---|---|---|---|
| DARBY CREEK | Pennsylvania | Poor | 1923 | 103 | 13,028 |
| OVER FRENCH CREEK TRIB | Pennsylvania | Fair | 1923 | 103 | 2,978 |
| OVER CONNEAUT CREEK BR | Pennsylvania | Good | 1923 | 103 | 2,871 |
| JACOBS CREEK | Pennsylvania | Fair | 1923 | 103 | 610 |
| OVER COON CREEK | Pennsylvania | Good | 1923 | 103 | 47 |
| TENMILE RUN | Pennsylvania | Fair | 1923 | 103 | 2,454 |
| OWL RUN | Pennsylvania | Poor | 1923 | 103 | 512 |
| WOODEN BRIDGE CREEK | Pennsylvania | Fair | 1923 | 103 | 2,259 |
| TUSCARORA CREEK | Pennsylvania | Fair | 1923 | 103 | 58 |
| TROUGH SPRING BRANCH | Pennsylvania | Fair | 1923 | 103 | 58 |
| CONESTOGA RIVER | Pennsylvania | Fair | 1923 | 103 | 400 |
| SHENANGO R NCI RR | Pennsylvania | Fair | 1923 | 103 | 3,473 |
| HICKORY RUN | Pennsylvania | Good | 1923 | 103 | 1,558 |
| OVER SANDY CREEK TRIB | Pennsylvania | Fair | 1923 | 103 | 1,592 |
| BLACK RUN | Pennsylvania | Poor | 1923 | 103 | 3,657 |
| OVER OLD CANAL CREEK | Pennsylvania | Poor | 1923 | 103 | 7,198 |
| JACKS CREEK | Pennsylvania | Fair | 1923 | 103 | 394 |
| SEPTA | Pennsylvania | Poor | 1923 | 103 | 1,609 |
| MIDDLE BR CHILLISQUAQ CR | Pennsylvania | Fair | 1923 | 103 | 108 |
| BERTSCH CREEK | Pennsylvania | Fair | 1923 | 103 | 5,784 |
| MONOCACY CREEK | Pennsylvania | Fair | 1923 | 103 | 10,672 |
| MONOCACY CREEK | Pennsylvania | Poor | 1923 | 103 | 200 |
| GREEN VALLEY RUN | Pennsylvania | Fair | 1923 | 103 | 2,237 |
| LAUREL RUN | Pennsylvania | Fair | 1923 | 103 | 75 |
| SCHUYLKILL RIVER | Pennsylvania | Fair | 1923 | 103 | 974 |
| PINEY CREEK | Pennsylvania | Fair | 1923 | 103 | 4,865 |
| BRUSH CREEK | Pennsylvania | Fair | 1923 | 103 | 78 |
| TRIB TO CROOKED CREEK | Pennsylvania | Fair | 1923 | 103 | 4,777 |
| BANE CREEK | Pennsylvania | Fair | 1923 | 103 | 426 |
| Little Sewickley Creek | Pennsylvania | Poor | 1923 | 103 | 500 |
| BR CABIN CREEK | Pennsylvania | Fair | 1923 | 103 | 2,583 |
| S BRANCH CODORUS CREEK | Pennsylvania | Poor | 1923 | 103 | 6,161 |
| PUBLIC LANDS | Pennsylvania | Fair | 1923 | 103 | 1,815 |
| AMTRAK(NY-WASH BRANCH) | Pennsylvania | Poor | 1923 | 103 | 9,341 |
| FISHING CREEK | Pennsylvania | Fair | 1923 | 103 | 945 |
| Bigby Creek | Pennsylvania | Fair | 1923 | 103 | 100 |
| NSRC CSX AVR | Pennsylvania | Fair | 1924 | 102 | 26,091 |
| SAW MILL RUN | Pennsylvania | Poor | 1924 | 102 | 20 |
| N-S RR & PAT EBUSWAY | Pennsylvania | Poor | 1924 | 102 | 15,000 |
| NORTH FORK PINE CREEK | Pennsylvania | Fair | 1924 | 102 | 50 |
| BUFFALO CREEK | Pennsylvania | Fair | 1924 | 102 | 125 |
| SIX MILE RUN | Pennsylvania | Fair | 1924 | 102 | 6,838 |
| SCHUYLKILL RIV;NSRC;ROAD | Pennsylvania | Fair | 1924 | 102 | 14,759 |
| STONEY RUN | Pennsylvania | Poor | 1924 | 102 | 132 |
| Reading/BM/Northern RR | Pennsylvania | Poor | 1924 | 102 | 9,687 |
| OYSTERVILLE CREEK | Pennsylvania | Fair | 1924 | 102 | 1,053 |
| TRIB.TO SWAMP CREEK | Pennsylvania | Fair | 1924 | 102 | 496 |
| TRIBUTARY SUGAR CREEK | Pennsylvania | Good | 1924 | 102 | 3,796 |
| SUGAR CREEK | Pennsylvania | Fair | 1924 | 102 | 3,949 |
| OVER BEAVER RUN | Pennsylvania | Fair | 1924 | 102 | 2,487 |
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.