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 |
|---|---|---|---|---|---|
| NORTH ELK RUN | Pennsylvania | Fair | 1947 | 79 | 282 |
| NORTH RUN | Pennsylvania | Fair | 1947 | 79 | 200 |
| LEWISBURG BUFFALO CRK RR | Pennsylvania | Fair | 1947 | 79 | 4,196 |
| OVER MORRISON RUN | Pennsylvania | Fair | 1947 | 79 | 6,433 |
| OVER DUTCHMAN RUN | Pennsylvania | Fair | 1947 | 79 | 6,433 |
| BURGETTS FORK | Pennsylvania | Fair | 1947 | 79 | 1,633 |
| MILLERS RUN | Pennsylvania | Fair | 1947 | 79 | 300 |
| CHARTIERS CREEK | Pennsylvania | Poor | 1947 | 79 | 500 |
| JOHNSONS CREEK | Pennsylvania | Poor | 1947 | 79 | 164 |
| UNION RUN | Pennsylvania | Fair | 1947 | 79 | 8,654 |
| REPKO RUN | Pennsylvania | Poor | 1947 | 79 | 8,006 |
| HONEY RUN | Pennsylvania | Fair | 1947 | 79 | 7,990 |
| EAST BR CODORUS CREEK | Pennsylvania | Fair | 1947 | 79 | 1,472 |
| MARSH CREEK | Pennsylvania | Fair | 1948 | 78 | 10,432 |
| FALLEN TIMBER RUN | Pennsylvania | Fair | 1948 | 78 | 20,208 |
| BRANCH OF MONTOUR RUN | Pennsylvania | Poor | 1948 | 78 | 6,349 |
| BRANCH MONTOUR RUN | Pennsylvania | Poor | 1948 | 78 | 6,349 |
| FALLEN TIMBER RUN | Pennsylvania | Poor | 1948 | 78 | 200 |
| TWO MILE RUN | Pennsylvania | Fair | 1948 | 78 | 371 |
| MAPLE RUN | Pennsylvania | Fair | 1948 | 78 | 169 |
| YELLOW CREEK | Pennsylvania | Fair | 1948 | 78 | 178 |
| LOST RUN | Pennsylvania | Fair | 1948 | 78 | 283 |
| LOST RUN | Pennsylvania | Fair | 1948 | 78 | 283 |
| PIGEON ROOST RUN | Pennsylvania | Fair | 1948 | 78 | 283 |
| DUNNINGS CREEK | Pennsylvania | Fair | 1948 | 78 | 1,402 |
| DUNNINGS CREEK | Pennsylvania | Fair | 1948 | 78 | 172 |
| TRIB.SCHUYLKILL RIVER | Pennsylvania | Fair | 1948 | 78 | 21,192 |
| PIGEON CREEK | Pennsylvania | Fair | 1948 | 78 | 21,192 |
| TRIB.TO PLUM CREEK | Pennsylvania | Fair | 1948 | 78 | 231 |
| IRISH CREEK | Pennsylvania | Fair | 1948 | 78 | 600 |
| TRIB WAPPASENING CREEK | Pennsylvania | Fair | 1948 | 78 | 1,635 |
| TRIB.WAPPASENING CREEK | Pennsylvania | Fair | 1948 | 78 | 1,635 |
| SUGAR RUN CREEK | Pennsylvania | Good | 1948 | 78 | 94 |
| SOUTH FORK SUGAR CREEK | Pennsylvania | Fair | 1948 | 78 | 480 |
| TRIBUTARY BROWNS CREEK | Pennsylvania | Fair | 1948 | 78 | 315 |
| MILL CREEK | Pennsylvania | Fair | 1948 | 78 | 166 |
| SUGAR CREEK | Pennsylvania | Good | 1948 | 78 | 504 |
| SOUTH FORK SUGAR CREEK | Pennsylvania | Poor | 1948 | 78 | 100 |
| NORTH BR.NESHAMINY CREEK | Pennsylvania | Poor | 1948 | 78 | 13,911 |
| BRANCH OF NESHAMINY CR | Pennsylvania | Fair | 1948 | 78 | 100 |
| EAST BR PERKIOMEN CREEK | Pennsylvania | Fair | 1948 | 78 | 8,870 |
| MULLIGAN RUN | Pennsylvania | Fair | 1948 | 78 | 19,233 |
| CLEARFIELD CREEK | Pennsylvania | Fair | 1948 | 78 | 3,466 |
| TR W BR SUSQUEHANNA RIV. | Pennsylvania | Good | 1948 | 78 | 3,750 |
| BROWNS RUN | Pennsylvania | Fair | 1948 | 78 | 3,405 |
| LAUREL RUN | Pennsylvania | Fair | 1948 | 78 | 3,779 |
| W BR SUSQUEHANNA RIVER | Pennsylvania | Good | 1948 | 78 | 996 |
| SPRING CREEK | Pennsylvania | Fair | 1948 | 78 | 251 |
| MUD LICK RUN | Pennsylvania | Fair | 1948 | 78 | 60 |
| BRANCH VALLEY CREEK | Pennsylvania | Fair | 1948 | 78 | 22,103 |
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.