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 |
|---|---|---|---|---|---|
| L.C.&N.R.R.{ABND.} | Pennsylvania | Fair | 1921 | 105 | 4,836 |
| TRIB. TO MAHONING CREEK | Pennsylvania | Fair | 1921 | 105 | 3,388 |
| BRANCH PICKERING CREEK | Pennsylvania | Fair | 1921 | 105 | 6,477 |
| EAST BR. BRANDYWINE CK. | Pennsylvania | Poor | 1921 | 105 | 18,163 |
| CRUM CREEK | Pennsylvania | Fair | 1921 | 105 | 1,797 |
| E. BRANCH BIG ELK CREEK | Pennsylvania | Poor | 1921 | 105 | 1,154 |
| BEAR RUN | Pennsylvania | Fair | 1921 | 105 | 2,317 |
| LITTLE ANDERSON CREEK | Pennsylvania | Fair | 1921 | 105 | 2,732 |
| MUGSER RUN | Pennsylvania | Poor | 1921 | 105 | 50 |
| TRIBUTARY TO MUD RUN | Pennsylvania | Poor | 1921 | 105 | 120 |
| OVER CROOKED CREEK TRIB | Pennsylvania | Fair | 1921 | 105 | 2,552 |
| ARMSTRONG CREEK | Pennsylvania | Fair | 1921 | 105 | 6,189 |
| SWATARA CREEK | Pennsylvania | Fair | 1921 | 105 | 4,126 |
| DARBY CREEK | Pennsylvania | Poor | 1921 | 105 | 1,971 |
| OPOSSUM RUN | Pennsylvania | Fair | 1921 | 105 | 500 |
| CAMP RUN | Pennsylvania | Poor | 1921 | 105 | 100 |
| CASTILE RUN | Pennsylvania | Poor | 1921 | 105 | 214 |
| RUDOLPH RUN | Pennsylvania | Poor | 1921 | 105 | 14 |
| TUSCARORA CREEK | Pennsylvania | Fair | 1921 | 105 | 58 |
| STRAIGHT RUN | Pennsylvania | Poor | 1921 | 105 | 91 |
| STONEY RUN | Pennsylvania | Poor | 1921 | 105 | 2,314 |
| DOYLE RUN | Pennsylvania | Poor | 1921 | 105 | 172 |
| Shirks Run | Pennsylvania | Fair | 1921 | 105 | 8,050 |
| W BR OCTORARO CREEK | Pennsylvania | Poor | 1921 | 105 | 50 |
| TRIB TO STEWART RUN | Pennsylvania | Poor | 1921 | 105 | 155 |
| CHIQUES CREEK | Pennsylvania | Fair | 1921 | 105 | 310 |
| MILL CREEK | Pennsylvania | Fair | 1921 | 105 | 365 |
| ONTELAUNEE CREEK | Pennsylvania | Fair | 1921 | 105 | 3,006 |
| COPLAY CREEK | Pennsylvania | Fair | 1921 | 105 | 7,751 |
| TROUT CREEK | Pennsylvania | Fair | 1921 | 105 | 50 |
| OVER TRIB TO SUSQUEHANNA | Pennsylvania | Fair | 1921 | 105 | 4,462 |
| OVER TOMBS RUN | Pennsylvania | Fair | 1921 | 105 | 192 |
| IRON HOLLOW RUN | Pennsylvania | Poor | 1921 | 105 | 2,049 |
| HONEY CREEK | Pennsylvania | Fair | 1921 | 105 | 5,997 |
| WARRIOR RUN | Pennsylvania | Fair | 1921 | 105 | 448 |
| HALLOWING RUN | Pennsylvania | Fair | 1921 | 105 | 238 |
| OVER MUDDY RUN | Pennsylvania | Good | 1921 | 105 | 650 |
| CATAWISSA CREEK | Pennsylvania | Poor | 1921 | 105 | 50 |
| MILL CREEK | Pennsylvania | Poor | 1921 | 105 | 50 |
| SWAMP CREEK | Pennsylvania | Poor | 1921 | 105 | 1,370 |
| TRIB.TO BENS CREEK | Pennsylvania | Fair | 1921 | 105 | 1,285 |
| OVER MILL CREEK | Pennsylvania | Poor | 1921 | 105 | 382 |
| PIKE RUN | Pennsylvania | Poor | 1921 | 105 | 187 |
| CHARTIERS CREEK | Pennsylvania | Fair | 1921 | 105 | 20 |
| POQUESSING CREEK | Pennsylvania | Fair | 1921 | 105 | 53,180 |
| SEPTA | Pennsylvania | Fair | 1921 | 105 | 58,754 |
| WOODEN BRIDGE RUN | Pennsylvania | Good | 1921 | 105 | 17,735 |
| SEPTA (Chestnut Hill W.) | Pennsylvania | Good | 1921 | 105 | 2,600 |
| TRIB SLIPPERY ROCK CREEK | Pennsylvania | Poor | 1921 | 105 | 300 |
| Krause Ln; West St. | Pennsylvania | Fair | 1921 | 105 | 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.