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 |
|---|---|---|---|---|---|
| MILL CREEK | Pennsylvania | Fair | 1938 | 88 | 6,163 |
| CARTERS RUN | Pennsylvania | Poor | 1938 | 88 | 101 |
| SO.BRANCH CODORUS CREEK | Pennsylvania | Fair | 1938 | 88 | 1,437 |
| MILL CREEK | Pennsylvania | Fair | 1938 | 88 | 6,160 |
| SOUTH BR CODORUS CREEK | Pennsylvania | Fair | 1938 | 88 | 3,706 |
| TRIB TO BEAVER CREEK | Pennsylvania | Fair | 1938 | 88 | 1,536 |
| BENNETT RUN | Pennsylvania | Fair | 1938 | 88 | 2,672 |
| N BR BERMUDIAN CR | Pennsylvania | Fair | 1938 | 88 | 862 |
| NORTH FORK PINE CREEK | Pennsylvania | Fair | 1938 | 88 | 133 |
| BRUSH RUN | Pennsylvania | Good | 1938 | 88 | 11,879 |
| LITTLE BUFFALO RUN | Pennsylvania | Poor | 1938 | 88 | 50 |
| HINCKSTON RUN | Pennsylvania | Poor | 1938 | 88 | 15 |
| Trib Yellow Breeches CK | Pennsylvania | Fair | 1938 | 88 | 2,716 |
| SHY BEAVER CREEK | Pennsylvania | Fair | 1938 | 88 | 250 |
| MINEY BRANCH OF TOMS CRK | Pennsylvania | Fair | 1939 | 87 | 7,049 |
| PLUM RUN | Pennsylvania | Fair | 1939 | 87 | 75 |
| SWAMP CREEK | Pennsylvania | Fair | 1939 | 87 | 100 |
| LEBANON CHURCH RD | Pennsylvania | Fair | 1939 | 87 | 27,346 |
| LITTLE PINE CREEK | Pennsylvania | Good | 1939 | 87 | 3,316 |
| LITTLE DEER CREEK | Pennsylvania | Poor | 1939 | 87 | 3,495 |
| AVR RR SERVICE ROAD | Pennsylvania | Fair | 1939 | 87 | 5,300 |
| SR 1001 | Pennsylvania | Good | 1939 | 87 | 10,220 |
| PINE CREEK NORTH BRANCH | Pennsylvania | Fair | 1939 | 87 | 238 |
| PINE CREEK NORTH BRANCH | Pennsylvania | Fair | 1939 | 87 | 2,227 |
| GOMER AND GREELY STREETS | Pennsylvania | Poor | 1939 | 87 | 650 |
| SOUTH 21ST STREET | Pennsylvania | Poor | 1939 | 87 | 650 |
| Three Rivers Heritage Tr | Pennsylvania | Poor | 1939 | 87 | 6,000 |
| I-376 WB (PARKWAY EAST) | Pennsylvania | Fair | 1939 | 87 | 8,600 |
| I-376 WB (PARKWAY EAST) | Pennsylvania | Fair | 1939 | 87 | 5,000 |
| CSX RR | Pennsylvania | Poor | 1939 | 87 | 10 |
| SWAMP RUN | Pennsylvania | Fair | 1939 | 87 | 180 |
| WILLS CREEK | Pennsylvania | Fair | 1939 | 87 | 317 |
| BRANCH SHAWNEE CREEK | Pennsylvania | Fair | 1939 | 87 | 247 |
| ROCKLICK CREEK | Pennsylvania | Good | 1939 | 87 | 172 |
| RAYSTOWN BR JUNIATA RIV | Pennsylvania | Fair | 1939 | 87 | 31,200 |
| Spicer Brook | Pennsylvania | Fair | 1939 | 87 | 31,200 |
| SPICER BROOK | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| SHAWNEE CREEK; B-313 | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| RAYSTN BR.TO JUNIATA RI. | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| PA TPK (I-76) | Pennsylvania | Fair | 1939 | 87 | 209 |
| RAYSTN BR JUNIATA | Pennsylvania | Fair | 1939 | 87 | 31,200 |
| PA TPK (I-76) | Pennsylvania | Fair | 1939 | 87 | 200 |
| Trib to Rays Br Juniata | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| SR 0030; US 30 (LR 119) | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| PA 56(LR 05047) & STREAM | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| RAMPS | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| SR 4009 (LR 47) | Pennsylvania | Fair | 1939 | 87 | 30,600 |
| PA TPK (I-76) | Pennsylvania | Fair | 1939 | 87 | 200 |
| SR 1001 LR 05042 | Pennsylvania | Fair | 1939 | 87 | 36,252 |
| T-477 DUNNINGS CR. | Pennsylvania | Fair | 1939 | 87 | 36,252 |
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.