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 |
|---|---|---|---|---|---|
| BIRMINGHAM AVE | Pennsylvania | Fair | 1930 | 96 | 23,052 |
| SPRUCE RUN CR.-SPRUCE ST | Pennsylvania | Fair | 1930 | 96 | 23,052 |
| FOREST AVE. | Pennsylvania | Fair | 1930 | 96 | 23,052 |
| BECKETS RUN | Pennsylvania | Fair | 1930 | 96 | 4,603 |
| HOWES RUN | Pennsylvania | Fair | 1930 | 96 | 1,709 |
| GILLESPIE RUN | Pennsylvania | Poor | 1930 | 96 | 1,747 |
| PINEY FORK CREEK | Pennsylvania | Fair | 1930 | 96 | 1,458 |
| GIRTYS RUN | Pennsylvania | Fair | 1930 | 96 | 13,030 |
| GIRTYS RUN | Pennsylvania | Fair | 1930 | 96 | 13,030 |
| GEORGES RUN | Pennsylvania | Good | 1930 | 96 | 10,819 |
| PAINTERS RUN | Pennsylvania | Fair | 1930 | 96 | 15,409 |
| GOURDHEAD RUN | Pennsylvania | Poor | 1930 | 96 | 500 |
| MONTOUR RUN | Pennsylvania | Poor | 1930 | 96 | 300 |
| I279 HOV RAMP G EAST ST | Pennsylvania | Poor | 1930 | 96 | 5,700 |
| VERNER AVENUE | Pennsylvania | Poor | 1930 | 96 | 13,100 |
| LONG RUN | Pennsylvania | Fair | 1930 | 96 | 100 |
| SYCAMORE RUN | Pennsylvania | Fair | 1930 | 96 | 2,500 |
| WYLIES RUN | Pennsylvania | Fair | 1930 | 96 | 1,227 |
| PLUM CREEK | Pennsylvania | Fair | 1930 | 96 | 150 |
| THOMPSON RUN | Pennsylvania | Fair | 1930 | 96 | 7,000 |
| SUGAR CREEK | Pennsylvania | Fair | 1930 | 96 | 50 |
| SOUTH BRANCH PLUM CREEK | Pennsylvania | Fair | 1930 | 96 | 400 |
| ELKHORN RUN | Pennsylvania | Poor | 1930 | 96 | 9,739 |
| CROWS RUN | Pennsylvania | Poor | 1930 | 96 | 2,487 |
| LOGTOWN RUN | Pennsylvania | Fair | 1930 | 96 | 3,620 |
| NORTH FORK KINGS CREEK | Pennsylvania | Good | 1930 | 96 | 687 |
| SOUTH BRANCH BRADY RUN | Pennsylvania | Fair | 1930 | 96 | 93 |
| CLEAR CREEK | Pennsylvania | Good | 1930 | 96 | 3,846 |
| SLOANS HOLLOW RUN | Pennsylvania | Good | 1930 | 96 | 6,544 |
| OPPENHEIMER RUN | Pennsylvania | Good | 1930 | 96 | 1,402 |
| SIX MILE RUN | Pennsylvania | Poor | 1930 | 96 | 51 |
| YELLOW CREEK | Pennsylvania | Good | 1930 | 96 | 62 |
| LITTLE WILLS CREEK | Pennsylvania | Poor | 1930 | 96 | 100 |
| DUNNING CREEK | Pennsylvania | Poor | 1930 | 96 | 1 |
| THREE SPRINGS RUN | Pennsylvania | Fair | 1930 | 96 | 41 |
| THREE SPRINGS RUN | Pennsylvania | Poor | 1930 | 96 | 41 |
| BAREFOOT RUN | Pennsylvania | Fair | 1930 | 96 | 271 |
| UNNAMED TRIB MAIDEN CRK | Pennsylvania | Fair | 1930 | 96 | 1,829 |
| SWATARA CREEK | Pennsylvania | Fair | 1930 | 96 | 184 |
| TRIB. TO CROSSKILL CREEK | Pennsylvania | Poor | 1930 | 96 | 150 |
| SACONY CREEK | Pennsylvania | Poor | 1930 | 96 | 500 |
| WILLOW CREEK | Pennsylvania | Fair | 1930 | 96 | 100 |
| BALD EAGLE CREEK | Pennsylvania | Fair | 1930 | 96 | 1,645 |
| SINKING RUN | Pennsylvania | Fair | 1930 | 96 | 406 |
| TR.SINKING RUN(DRY) | Pennsylvania | Fair | 1930 | 96 | 406 |
| BLAIR GAP RUN | Pennsylvania | Fair | 1930 | 96 | 5,343 |
| PINEY CREEK | Pennsylvania | Poor | 1930 | 96 | 31 |
| MILL RUN | Pennsylvania | Poor | 1930 | 96 | 1,848 |
| SINK RUN | Pennsylvania | Poor | 1930 | 96 | 92 |
| MILL CREEK | Pennsylvania | Fair | 1930 | 96 | 3,949 |
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.