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 |
|---|---|---|---|---|---|
| INDIANTOWN RUN | Pennsylvania | Fair | 1946 | 80 | 9,646 |
| REEDS CREEK | Pennsylvania | Fair | 1946 | 80 | 9,646 |
| SWATARA CREEK | Pennsylvania | Fair | 1946 | 80 | 8,835 |
| US 22; SR 0022 | Pennsylvania | Fair | 1946 | 80 | 6,692 |
| GARDNERS CREEK | Pennsylvania | Fair | 1946 | 80 | 2,456 |
| SR 2007 E NORTHAMPTON ST | Pennsylvania | Fair | 1946 | 80 | 9,649 |
| WHITE DEER HOLE CREEK | Pennsylvania | Fair | 1946 | 80 | 108 |
| WAKEFIELD RUN | Pennsylvania | Fair | 1946 | 80 | 394 |
| MIDDLE BR.BRODHEAD CREEK | Pennsylvania | Fair | 1946 | 80 | 1,069 |
| PINE RUN | Pennsylvania | Fair | 1946 | 80 | 8,313 |
| OVER CHILLISQUAQUE CREEK | Pennsylvania | Fair | 1946 | 80 | 1,827 |
| OVER MUD CR. | Pennsylvania | Fair | 1946 | 80 | 1,827 |
| HEMLOCK CREEK | Pennsylvania | Fair | 1946 | 80 | 450 |
| ALLEGHENY CREEK | Pennsylvania | Fair | 1946 | 80 | 150 |
| OVER MOUSE RUN | Pennsylvania | Fair | 1946 | 80 | 740 |
| READING & NORTHERN RR | Pennsylvania | Fair | 1946 | 80 | 1,082 |
| MAHANTANGO CREEK | Pennsylvania | Fair | 1946 | 80 | 274 |
| MAHANOY CK.FLOOD PLAIN | Pennsylvania | Fair | 1946 | 80 | 50 |
| W. BR. MAHANTANGO CREEK | Pennsylvania | Fair | 1946 | 80 | 50 |
| TWO MILE RUN | Pennsylvania | Good | 1946 | 80 | 4,562 |
| DENTON CREEK | Pennsylvania | Poor | 1946 | 80 | 2,229 |
| WELLMANS CREEK | Pennsylvania | Fair | 1946 | 80 | 1,391 |
| BUFFALO CREEK | Pennsylvania | Fair | 1946 | 80 | 230 |
| BUFFALO CREEK | Pennsylvania | Fair | 1946 | 80 | 348 |
| DUNKLE RUN | Pennsylvania | Fair | 1946 | 80 | 150 |
| BUFFALO CREEK | Pennsylvania | Fair | 1946 | 80 | 98 |
| BR. NORTH FORK CROSS CK. | Pennsylvania | Fair | 1946 | 80 | 337 |
| BUFFALO CREEK | Pennsylvania | Poor | 1946 | 80 | 106 |
| BUFFALO CREEK | Pennsylvania | Fair | 1946 | 80 | 163 |
| BARSHINGER CREEK | Pennsylvania | Fair | 1946 | 80 | 3,612 |
| INNERS CREEK | Pennsylvania | Fair | 1946 | 80 | 1,439 |
| East Branch Indian Creek | Pennsylvania | Fair | 1946 | 80 | 6,980 |
| MARSH CREEK | Pennsylvania | Fair | 1947 | 79 | 9,084 |
| BERMUDIAN CREEK | Pennsylvania | Fair | 1947 | 79 | 862 |
| MARSH RUN | Pennsylvania | Good | 1947 | 79 | 604 |
| LITTLE SEWICKLEY CREEK | Pennsylvania | Fair | 1947 | 79 | 728 |
| SR 0837 | Pennsylvania | Fair | 1947 | 79 | 852 |
| NORFOLK&SOUTHERN RR | Pennsylvania | Fair | 1947 | 79 | 2,719 |
| CAMPBELL RUN | Pennsylvania | Fair | 1947 | 79 | 6,011 |
| TRIB.TO SHAWNEE LAKE | Pennsylvania | Fair | 1947 | 79 | 4,912 |
| YELLOW CREEK | Pennsylvania | Fair | 1947 | 79 | 3,745 |
| FURNACE CREEK | Pennsylvania | Fair | 1947 | 79 | 16,678 |
| HOSPITAL CREEK | Pennsylvania | Fair | 1947 | 79 | 16,678 |
| MANOR CREEK | Pennsylvania | Fair | 1947 | 79 | 16,678 |
| LITTLE CACOOSING CREEK | Pennsylvania | Fair | 1947 | 79 | 17,731 |
| PLUM CREEK | Pennsylvania | Fair | 1947 | 79 | 1,711 |
| BAILEY RUN | Pennsylvania | Fair | 1947 | 79 | 3,751 |
| TRIB RUMMERFIELD CREEK | Pennsylvania | Good | 1947 | 79 | 244 |
| NESHAMINY CREEK | Pennsylvania | Fair | 1947 | 79 | 2,497 |
| BRANCH JERICHO CREEK | Pennsylvania | Fair | 1947 | 79 | 600 |
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.