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 |
|---|---|---|---|---|---|
| W. BR. NESHAMINY CREEK | Pennsylvania | Fair | 1934 | 92 | 42,557 |
| WILLOW RUN | Pennsylvania | Fair | 1934 | 92 | 9,021 |
| SPROGELS RUN | Pennsylvania | Poor | 1934 | 92 | 500 |
| EAST BRANCH SAUCON CREEK | Pennsylvania | Fair | 1934 | 92 | 859 |
| WEST MONOCACY CREEK | Pennsylvania | Fair | 1934 | 92 | 700 |
| OVER ZERBE RUN | Pennsylvania | Fair | 1934 | 92 | 1,486 |
| OVER GAP RUN | Pennsylvania | Fair | 1934 | 92 | 1,486 |
| OVER MUDDY RUN | Pennsylvania | Fair | 1934 | 92 | 293 |
| OVER LOGAN RUN | Pennsylvania | Good | 1934 | 92 | 124 |
| OVER LOGAN RUN | Pennsylvania | Fair | 1934 | 92 | 124 |
| OVER SHAMOKIN CREEK | Pennsylvania | Fair | 1934 | 92 | 317 |
| OVER SHAMOKIN CREEK. | Pennsylvania | Fair | 1934 | 92 | 918 |
| OVER BOILE RUN | Pennsylvania | Fair | 1934 | 92 | 221 |
| Juniata River | Pennsylvania | Fair | 1934 | 92 | 11,194 |
| BUFFALO CREEK | Pennsylvania | Fair | 1934 | 92 | 333 |
| ALLEGHENY RIVER | Pennsylvania | Fair | 1934 | 92 | 6,354 |
| PHOENIX RUN | Pennsylvania | Fair | 1934 | 92 | 142 |
| SWATARA CREEK | Pennsylvania | Fair | 1934 | 92 | 3,359 |
| TOMHICKEN CREEK | Pennsylvania | Fair | 1934 | 92 | 809 |
| LITTLE SWATARA CREEK | Pennsylvania | Fair | 1934 | 92 | 850 |
| LIZARD CREEK | Pennsylvania | Fair | 1934 | 92 | 350 |
| KERSHNERS CREEK | Pennsylvania | Poor | 1934 | 92 | 320 |
| EAST BR. KERSHNERS CREEK | Pennsylvania | Fair | 1934 | 92 | 320 |
| TRIB TO PENNS CREEK | Pennsylvania | Fair | 1934 | 92 | 2,889 |
| LAUREL HILL CREEK | Pennsylvania | Fair | 1934 | 92 | 961 |
| TRIB. LAUREL HILL CREEK | Pennsylvania | Fair | 1934 | 92 | 68 |
| LAUREL HILL CREEK | Pennsylvania | Fair | 1934 | 92 | 190 |
| OVER WOLF RUN | Pennsylvania | Fair | 1934 | 92 | 471 |
| OVER SHANERBURG RUN | Pennsylvania | Fair | 1934 | 92 | 318 |
| STARRUCCA CREEK | Pennsylvania | Fair | 1934 | 92 | 229 |
| E BR TUNKHANNOCK CREEK | Pennsylvania | Fair | 1934 | 92 | 294 |
| JOHNSON POND CREEK | Pennsylvania | Poor | 1934 | 92 | 489 |
| THOMAS CREEK | Pennsylvania | Poor | 1934 | 92 | 175 |
| SILVER CREEK | Pennsylvania | Poor | 1934 | 92 | 344 |
| OVER TR. CROOKED CREEK | Pennsylvania | Fair | 1934 | 92 | 1,186 |
| FALL BROOK | Pennsylvania | Fair | 1934 | 92 | 378 |
| DIXIE RUN | Pennsylvania | Fair | 1934 | 92 | 20 |
| OVER LITTLE BUFFALO CR | Pennsylvania | Good | 1934 | 92 | 470 |
| N. BRANCH BUFFALO CREEK | Pennsylvania | Fair | 1934 | 92 | 110 |
| OVER SUGAR CREEK | Pennsylvania | Fair | 1934 | 92 | 302 |
| CHARTIERS CREEK | Pennsylvania | Poor | 1934 | 92 | 6,711 |
| DRY RUN | Pennsylvania | Fair | 1934 | 92 | 2,911 |
| HORN RUN | Pennsylvania | Fair | 1934 | 92 | 1,273 |
| CROSS CREEK TRIB | Pennsylvania | Poor | 1934 | 92 | 200 |
| WEST BR LACKAWAXEN RIVER | Pennsylvania | Poor | 1934 | 92 | 144 |
| W BR WALLENPAUPACK CREEK | Pennsylvania | Fair | 1934 | 92 | 2,946 |
| W BR DYBERRY CREEK | Pennsylvania | Fair | 1934 | 92 | 649 |
| BRANCH BOYDS CREEK | Pennsylvania | Poor | 1934 | 92 | 573 |
| COLLINS BROOK | Pennsylvania | Fair | 1934 | 92 | 200 |
| ALPHA CREEK | Pennsylvania | Fair | 1934 | 92 | 411 |
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.