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 |
|---|---|---|---|---|---|
| CACOOSING CREEK | Pennsylvania | Fair | 1927 | 99 | 6,035 |
| CACOOSING CREEK | Pennsylvania | Fair | 1927 | 99 | 7,749 |
| SCHUYLKILL RIVER | Pennsylvania | Fair | 1927 | 99 | 9,638 |
| BRANCH COOKS CREEK | Pennsylvania | Fair | 1927 | 99 | 1,932 |
| BRANCH LITTLE NESHAMINY | Pennsylvania | Poor | 1927 | 99 | 3,559 |
| SEPTA (BETHLEHEM BRANCH) | Pennsylvania | Fair | 1927 | 99 | 8,922 |
| ROBIN RUN | Pennsylvania | Poor | 1927 | 99 | 100 |
| HIGH FALLS CREEK | Pennsylvania | Fair | 1927 | 99 | 200 |
| GLADE RUN | Pennsylvania | Poor | 1927 | 99 | 100 |
| B&LE RAILROAD | Pennsylvania | Poor | 1927 | 99 | 200 |
| QUAKAKE CREEK | Pennsylvania | Poor | 1927 | 99 | 4,225 |
| WHITE CLAY CREEK | Pennsylvania | Poor | 1927 | 99 | 18,776 |
| BUCK RUN | Pennsylvania | Poor | 1927 | 99 | 7,192 |
| NSRC (TRACK REMOVED) | Pennsylvania | Poor | 1927 | 99 | 750 |
| LICK RUN | Pennsylvania | Fair | 1927 | 99 | 200 |
| MONTOUR RUN | Pennsylvania | Poor | 1927 | 99 | 150 |
| OVER INLET RUN TRIB | Pennsylvania | Good | 1927 | 99 | 2,300 |
| CENTER CREEK | Pennsylvania | Fair | 1927 | 99 | 620 |
| COBBS CREEK | Pennsylvania | Fair | 1927 | 99 | 13,856 |
| BRANCH COBBS CREEK | Pennsylvania | Fair | 1927 | 99 | 18,724 |
| WEST BR. CHESTER CREEK | Pennsylvania | Fair | 1927 | 99 | 4,685 |
| RIDLEY CREEK | Pennsylvania | Fair | 1927 | 99 | 4,643 |
| Muckinipattis Creek | Pennsylvania | Poor | 1927 | 99 | 3,779 |
| UNNAMED CREEK 3697-F8 | Pennsylvania | Fair | 1927 | 99 | 400 |
| REDSTONE CREEK | Pennsylvania | Poor | 1927 | 99 | 458 |
| Lehman Run | Pennsylvania | Good | 1927 | 99 | 4,203 |
| SOUTH FORK TENMILE CREEK | Pennsylvania | Fair | 1927 | 99 | 8,186 |
| TRIB TO SOLDIER RUN | Pennsylvania | Fair | 1927 | 99 | 4,834 |
| SOLDIER RUN | Pennsylvania | Fair | 1927 | 99 | 3,897 |
| RATHMEL RUN | Pennsylvania | Fair | 1927 | 99 | 3,897 |
| LEHIGH RIVER | Pennsylvania | Fair | 1927 | 99 | 5,794 |
| LITTLE CONESTOGA CREEK | Pennsylvania | Fair | 1927 | 99 | 20,141 |
| SWAMP CREEK | Pennsylvania | Fair | 1927 | 99 | 473 |
| PEQUEA CREEK | Pennsylvania | Fair | 1927 | 99 | 441 |
| PETERS CREEK | Pennsylvania | Fair | 1927 | 99 | 134 |
| Conowingo Creek | Pennsylvania | Fair | 1927 | 99 | 1,930 |
| MILL CREEK | Pennsylvania | Fair | 1927 | 99 | 192 |
| SAUCON CREEK | Pennsylvania | Fair | 1927 | 99 | 6,993 |
| HARVEYS CREEK | Pennsylvania | Poor | 1927 | 99 | 2,737 |
| PIKES CREEK | Pennsylvania | Fair | 1927 | 99 | 1,996 |
| READING BLUMNT&NORTHERN | Pennsylvania | Fair | 1927 | 99 | 3,274 |
| E. FORK HARVEYS CREEK | Pennsylvania | Fair | 1927 | 99 | 72 |
| OVER WOLF RUN | Pennsylvania | Fair | 1927 | 99 | 7,418 |
| OVER HAGERMANS RUN | Pennsylvania | Fair | 1927 | 99 | 1,277 |
| SLACKS RUN | Pennsylvania | Fair | 1927 | 99 | 304 |
| GREGS RUN | Pennsylvania | Fair | 1927 | 99 | 782 |
| COLEGROVE BROOK | Pennsylvania | Poor | 1927 | 99 | 395 |
| JACKS CREEK | Pennsylvania | Fair | 1927 | 99 | 3,792 |
| MARSHALLS CREEK | Pennsylvania | Fair | 1927 | 99 | 12,286 |
| AQUASHICOLA CREEK | Pennsylvania | Poor | 1927 | 99 | 370 |
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.