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 |
|---|---|---|---|---|---|
| SARTWELL CREEK | Pennsylvania | Poor | 1949 | 77 | 149 |
| Read.BlueMt&NorthRR | Pennsylvania | Fair | 1949 | 77 | 14,530 |
| LITTLE MAHANTANGO CREEK | Pennsylvania | Fair | 1949 | 77 | 66 |
| T TO MAHANTANGO CREEK | Pennsylvania | Fair | 1949 | 77 | 221 |
| SILVER CREEK | Pennsylvania | Fair | 1949 | 77 | 266 |
| QUEMAHONING CREEK | Pennsylvania | Fair | 1949 | 77 | 3,695 |
| WELLS CREEK | Pennsylvania | Good | 1949 | 77 | 252 |
| STONY CREEK | Pennsylvania | Good | 1949 | 77 | 265 |
| GLADDENS RUN | Pennsylvania | Fair | 1949 | 77 | 287 |
| UNT to Lick Run | Pennsylvania | Fair | 1949 | 77 | 53 |
| HEMLOCK CREEK | Pennsylvania | Fair | 1949 | 77 | 48 |
| EAST LAKE CREEK | Pennsylvania | Good | 1949 | 77 | 938 |
| WHITE CREEK | Pennsylvania | Fair | 1949 | 77 | 173 |
| FOREST LAKE CREEK | Pennsylvania | Poor | 1949 | 77 | 240 |
| OVER TIOGA RIVER | Pennsylvania | Good | 1949 | 77 | 4,163 |
| OVER TRIB. TO COREY CRK | Pennsylvania | Fair | 1949 | 77 | 244 |
| POTTER BROOK | Pennsylvania | Fair | 1949 | 77 | 421 |
| OVER JEMISON CREEK | Pennsylvania | Fair | 1949 | 77 | 382 |
| OVER LITTLE BUFFALO CRK. | Pennsylvania | Fair | 1949 | 77 | 2,433 |
| PIGEON CREEK | Pennsylvania | Fair | 1949 | 77 | 31,419 |
| BUFFALO CREEK | Pennsylvania | Poor | 1949 | 77 | 126 |
| LITTLE TENMILE CREEK | Pennsylvania | Fair | 1949 | 77 | 301 |
| BRANCH OF PIGEON CREEK | Pennsylvania | Fair | 1949 | 77 | 116 |
| TEN MILE CREEK | Pennsylvania | Poor | 1949 | 77 | 200 |
| KINGS CREEK TRIB. | Pennsylvania | Good | 1949 | 77 | 100 |
| KINGS CREEK | Pennsylvania | Fair | 1949 | 77 | 50 |
| MINGO CREEK | Pennsylvania | Fair | 1949 | 77 | 200 |
| EQUINUNK CREEK | Pennsylvania | Poor | 1949 | 77 | 275 |
| COUNTY ROAD | Pennsylvania | Fair | 1949 | 77 | 37,035 |
| PUCKETY LANE (T-706) | Pennsylvania | Good | 1949 | 77 | 37,035 |
| WHITETHORN CREEK | Pennsylvania | Fair | 1949 | 77 | 21,415 |
| SPEERS RUN | Pennsylvania | Fair | 1949 | 77 | 32,628 |
| Loyalhanna Creek | Pennsylvania | Fair | 1949 | 77 | 1,073 |
| SPEERS RUN | Pennsylvania | Fair | 1949 | 77 | 4,386 |
| OXBOW CREEK | Pennsylvania | Poor | 1949 | 77 | 423 |
| BR MEHOOPANY CREEK | Pennsylvania | Fair | 1949 | 77 | 86 |
| CODORUS CREEK | Pennsylvania | Fair | 1949 | 77 | 20,397 |
| FISHING CREEK | Pennsylvania | Fair | 1949 | 77 | 1,907 |
| BRANCH OF RAMBO RUN | Pennsylvania | Fair | 1949 | 77 | 242 |
| DOGWOOD RUN | Pennsylvania | Fair | 1949 | 77 | 4,039 |
| LR66028 SR 4027 | Pennsylvania | Good | 1949 | 77 | 25,229 |
| PA TPK (I-76) | Pennsylvania | Good | 1949 | 77 | 8,905 |
| TYLER RUN | Pennsylvania | Fair | 1949 | 77 | 4,610 |
| DAVIDSBURG RUN | Pennsylvania | Fair | 1949 | 77 | 700 |
| WILLIS RUN | Pennsylvania | Fair | 1949 | 77 | 2,500 |
| SCHUYLKILL RIVER & R.R. | Pennsylvania | Fair | 1949 | 77 | 98,192 |
| FRANKFORD CREEK | Pennsylvania | Fair | 1949 | 77 | 16,419 |
| LINCOLN DR MONOSHONE CK. | Pennsylvania | Fair | 1949 | 77 | 8,308 |
| AMTRAK (NE Corridor) | Pennsylvania | Poor | 1949 | 77 | 10,200 |
| TRIBUTARY MIDDLE CREEK | Pennsylvania | Fair | 1949 | 77 | 4,802 |
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.