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 |
|---|---|---|---|---|---|
| RAUSCH CREEK | Pennsylvania | Fair | 1912 | 114 | 1,370 |
| RAUSCH CREEK | Pennsylvania | Fair | 1912 | 114 | 1,370 |
| FALL CREEK | Pennsylvania | Poor | 1912 | 114 | 75 |
| GLADDENS RUN | Pennsylvania | Fair | 1912 | 114 | 150 |
| BULGER RUN | Pennsylvania | Fair | 1912 | 114 | 739 |
| BRUSH CREEK | Pennsylvania | Poor | 1912 | 114 | 5,119 |
| TRIB. MEHOOPANY CK | Pennsylvania | Good | 1912 | 114 | 100 |
| TRIB. TO RAMBO RUN | Pennsylvania | Fair | 1912 | 114 | 89 |
| SCHUYLKILL RIVER | Pennsylvania | Good | 1912 | 114 | 8,914 |
| SEPTA | Pennsylvania | Poor | 1912 | 114 | 6,000 |
| Big Run | Pennsylvania | Fair | 1912 | 114 | 100 |
| N-S RR PAT EAST BUSWAY | Pennsylvania | Fair | 1913 | 113 | 17,746 |
| MAHONING CREEK | Pennsylvania | Fair | 1913 | 113 | 15 |
| BEAR CREEK | Pennsylvania | Fair | 1913 | 113 | 75 |
| WEST SWAMP CREEK | Pennsylvania | Fair | 1913 | 113 | 3,407 |
| SCH.RIVER;STREETS;NOR/FO | Pennsylvania | Fair | 1913 | 113 | 25,917 |
| TULPEHOCKEN CREEK | Pennsylvania | Fair | 1913 | 113 | 375 |
| HOSPITAL CREEK | Pennsylvania | Fair | 1913 | 113 | 250 |
| HOSPITAL CREEK | Pennsylvania | Fair | 1913 | 113 | 250 |
| BIG FILL RUN | Pennsylvania | Fair | 1913 | 113 | 1,645 |
| CALIFORNIA RUN | Pennsylvania | Fair | 1913 | 113 | 1,645 |
| SOUTH DRY RUN | Pennsylvania | Poor | 1913 | 113 | 1,634 |
| SOUTH POPLAR RUN | Pennsylvania | Fair | 1913 | 113 | 3,392 |
| LITTLE BUFFALO RUN | Pennsylvania | Poor | 1913 | 113 | 100 |
| SANDSPRING RUN | Pennsylvania | Fair | 1913 | 113 | 512 |
| QUAKAKE CREEK | Pennsylvania | Poor | 1913 | 113 | 100 |
| SOUTH BR OF FRENCH CREEK | Pennsylvania | Poor | 1913 | 113 | 73 |
| BRANCH VALLEY CREEK | Pennsylvania | Poor | 1913 | 113 | 140 |
| DEER CREEK | Pennsylvania | Poor | 1913 | 113 | 30 |
| ROARING CREEK | Pennsylvania | Fair | 1913 | 113 | 109 |
| OVER MILL RUN | Pennsylvania | Fair | 1913 | 113 | 1,500 |
| TRIB YELLOW BREECHES CR | Pennsylvania | Fair | 1913 | 113 | 525 |
| OVER FOUR MILE CREEK | Pennsylvania | Fair | 1913 | 113 | 3,114 |
| LAMSON RUN TRIBUTARY | Pennsylvania | Poor | 1913 | 113 | 695 |
| LAMSON RUN | Pennsylvania | Poor | 1913 | 113 | 610 |
| COAL LICK RUN | Pennsylvania | Poor | 1913 | 113 | 200 |
| COFFEE RUN | Pennsylvania | Poor | 1913 | 113 | 42 |
| SANDY LICK CREEK | Pennsylvania | Fair | 1913 | 113 | 4,430 |
| N.S. RR | Pennsylvania | Fair | 1913 | 113 | 1,119 |
| OVER HETTENBAUGH RUN | Pennsylvania | Fair | 1913 | 113 | 163 |
| CAMP RUN | Pennsylvania | Fair | 1913 | 113 | 50 |
| CATASAUQUA CREEK | Pennsylvania | Fair | 1913 | 113 | 5,758 |
| LEHIGH CRK CITY STREETS | Pennsylvania | Fair | 1913 | 113 | 18,800 |
| TROUT CREEK | Pennsylvania | Fair | 1913 | 113 | 100 |
| RIDGE VALLEY CREEK | Pennsylvania | Fair | 1913 | 113 | 256 |
| LIMESTONE RUN | Pennsylvania | Fair | 1913 | 113 | 100 |
| HOKENDAUQUA CREEK | Pennsylvania | Fair | 1913 | 113 | 90 |
| ALLEGHENY CREEK | Pennsylvania | Fair | 1913 | 113 | 450 |
| OVER QUAKER RUN | Pennsylvania | Fair | 1913 | 113 | 1,018 |
| SCHWABEN CREEK | Pennsylvania | Good | 1913 | 113 | 50 |
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.