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 |
|---|---|---|---|---|---|
| LICK RUN | Pennsylvania | Fair | 1935 | 91 | 177 |
| SPRUCE CREEK | Pennsylvania | Fair | 1935 | 91 | 200 |
| SPRING CREEK | Pennsylvania | Fair | 1935 | 91 | 280 |
| BIG POE CREEK | Pennsylvania | Good | 1935 | 91 | 50 |
| WOLF RUN | Pennsylvania | Fair | 1935 | 91 | 10 |
| BRANCH BRANDYWINE CREEK | Pennsylvania | Poor | 1935 | 91 | 2,802 |
| W. BR. BRANDYWINE CREEK | Pennsylvania | Poor | 1935 | 91 | 4,970 |
| PICKERING CREEK | Pennsylvania | Fair | 1935 | 91 | 2,283 |
| BEAVER RUN | Pennsylvania | Poor | 1935 | 91 | 40 |
| LAUREL RUN | Pennsylvania | Fair | 1935 | 91 | 50 |
| BEECH CREEK | Pennsylvania | Fair | 1935 | 91 | 3,865 |
| RAUCHTOWN CREEK | Pennsylvania | Fair | 1935 | 91 | 45 |
| OVER LAKE CREEK | Pennsylvania | Poor | 1935 | 91 | 1,249 |
| OVER DECKARDS RUN | Pennsylvania | Poor | 1935 | 91 | 484 |
| OVER PADEN CREEK | Pennsylvania | Fair | 1935 | 91 | 53 |
| OVER CONNEAUT CREEK W.BR | Pennsylvania | Poor | 1935 | 91 | 250 |
| OVER SUGAR CREEK E.BR. | Pennsylvania | Fair | 1935 | 91 | 250 |
| OVER GRAVEL RUN | Pennsylvania | Good | 1935 | 91 | 250 |
| MOUNTAIN CREEK | Pennsylvania | Fair | 1935 | 91 | 539 |
| STROHMS HOLLOW RUN | Pennsylvania | Fair | 1935 | 91 | 1 |
| BEAR CREEK | Pennsylvania | Fair | 1935 | 91 | 1,006 |
| SEPTA (P&W) | Pennsylvania | Good | 1935 | 91 | 27,899 |
| BALTIMORE PIKE | Pennsylvania | Poor | 1935 | 91 | 19,170 |
| COBBS CREEK | Pennsylvania | Fair | 1935 | 91 | 9,752 |
| COBBS CREEK | Pennsylvania | Fair | 1935 | 91 | 140 |
| ELK CREEK | Pennsylvania | Fair | 1935 | 91 | 8,644 |
| BEAR RUN | Pennsylvania | Fair | 1935 | 91 | 1,287 |
| NORTH FORK CREEK | Pennsylvania | Fair | 1935 | 91 | 187 |
| CHAMPION CREEK | Pennsylvania | Poor | 1935 | 91 | 150 |
| RED RUN | Pennsylvania | Fair | 1935 | 91 | 50 |
| S.BR.L.AUGHWICK CREEK | Pennsylvania | Good | 1935 | 91 | 203 |
| SHADE CREEK | Pennsylvania | Fair | 1935 | 91 | 836 |
| NORTH SPRING CREEK | Pennsylvania | Fair | 1935 | 91 | 1,020 |
| SPRUCE CREEK | Pennsylvania | Poor | 1935 | 91 | 23 |
| HARES VALLEY CREEK | Pennsylvania | Poor | 1935 | 91 | 50 |
| TROUGH CREEK | Pennsylvania | Good | 1935 | 91 | 50 |
| TROUGH CREEK | Pennsylvania | Fair | 1935 | 91 | 50 |
| TWO LICK CREEK | Pennsylvania | Poor | 1935 | 91 | 294 |
| TR N BR STRAIGHT RUN | Pennsylvania | Poor | 1935 | 91 | 364 |
| REEDS RUN | Pennsylvania | Poor | 1935 | 91 | 50 |
| CODER RUN | Pennsylvania | Fair | 1935 | 91 | 3,608 |
| LITTLE SANDY CREEK | Pennsylvania | Fair | 1935 | 91 | 100 |
| NORTH FORK CREEK | Pennsylvania | Poor | 1935 | 91 | 50 |
| MIDDLE CREEK | Pennsylvania | Fair | 1935 | 91 | 1,015 |
| NICKEL MINES RUN | Pennsylvania | Poor | 1935 | 91 | 50 |
| LITTLE CONESTOGA CREEK | Pennsylvania | Good | 1935 | 91 | 310 |
| CONEWAGO CREEK | Pennsylvania | Poor | 1935 | 91 | 50 |
| QUITTAPAHILLA CREEK | Pennsylvania | Fair | 1935 | 91 | 15,844 |
| BRANCH OF MILLCREEK | Pennsylvania | Fair | 1935 | 91 | 1,606 |
| SAUCON CREEK | Pennsylvania | Fair | 1935 | 91 | 14,200 |
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.