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 |
|---|---|---|---|---|---|
| OLD GULPH CREEK | Pennsylvania | Fair | 1933 | 93 | 2,713 |
| MINISTER CREEK | Pennsylvania | Fair | 1933 | 93 | 4,902 |
| SR0073; Church Road | Pennsylvania | Fair | 1933 | 93 | 16,804 |
| East Branch Stony Creek | Pennsylvania | Fair | 1933 | 93 | 1,000 |
| SCIOTO CREEK | Pennsylvania | Fair | 1933 | 93 | 200 |
| SHAMOKIN CREEK | Pennsylvania | Fair | 1933 | 93 | 10,564 |
| MOUSE CREEK | Pennsylvania | Fair | 1933 | 93 | 1,228 |
| BIG BUFFALO CREEK | Pennsylvania | Fair | 1933 | 93 | 2,310 |
| BIXLER RUN | Pennsylvania | Fair | 1933 | 93 | 3,290 |
| BIXLERS RUN | Pennsylvania | Poor | 1933 | 93 | 128 |
| FISHING CREEK | Pennsylvania | Poor | 1933 | 93 | 450 |
| SWATARA CREEK | Pennsylvania | Fair | 1933 | 93 | 2,019 |
| SWATARA CREEK | Pennsylvania | Fair | 1933 | 93 | 150 |
| KOOSER RUN | Pennsylvania | Fair | 1933 | 93 | 140 |
| KOOSER RUN | Pennsylvania | Poor | 1933 | 93 | 100 |
| LITTLE LOYALSOCK CREEK | Pennsylvania | Poor | 1933 | 93 | 100 |
| SNAKE CREEK | Pennsylvania | Fair | 1933 | 93 | 2,460 |
| OVER ALDER RUN | Pennsylvania | Good | 1933 | 93 | 128 |
| OVER TIOGA RIVER | Pennsylvania | Poor | 1933 | 93 | 4,129 |
| OVER SUGAR CREEK | Pennsylvania | Fair | 1933 | 93 | 1,052 |
| OVER ALLEGHENY RIVER | Pennsylvania | Fair | 1933 | 93 | 1,827 |
| RALSTON RUN | Pennsylvania | Fair | 1933 | 93 | 212 |
| TENMILE CREEK | Pennsylvania | Fair | 1933 | 93 | 628 |
| KISKI NS R/R SR 2054 | Pennsylvania | Fair | 1933 | 93 | 8,762 |
| BOWMANS CREEK | Pennsylvania | Poor | 1933 | 93 | 224 |
| CODORUS CREEK | Pennsylvania | Fair | 1933 | 93 | 5,989 |
| MILL RACE TO CODORUS CR | Pennsylvania | Fair | 1933 | 93 | 5,989 |
| KREBS CREEK | Pennsylvania | Poor | 1933 | 93 | 1,751 |
| N BRANCH MUDDY CREEK | Pennsylvania | Poor | 1933 | 93 | 97 |
| PINE RUN | Pennsylvania | Poor | 1933 | 93 | 1,695 |
| MUDDY CREEK | Pennsylvania | Poor | 1933 | 93 | 938 |
| S BRANCH CODORUS CREEK | Pennsylvania | Fair | 1933 | 93 | 111 |
| TRIB TO CONEWAGO CR | Pennsylvania | Fair | 1933 | 93 | 591 |
| DOE RUN | Pennsylvania | Good | 1933 | 93 | 664 |
| SOUTH BRANCH RAMBO RUN X | Pennsylvania | Poor | 1933 | 93 | 193 |
| SCHUYLKILL EXPRESSWAY | Pennsylvania | Fair | 1933 | 93 | 18,011 |
| AMTRAK & CONRAIL LINES | Pennsylvania | Fair | 1933 | 93 | 26,914 |
| North 5th Street | Pennsylvania | Fair | 1933 | 93 | 100 |
| North 5th Street | Pennsylvania | Fair | 1933 | 93 | 3 |
| LITTLE MUDDY RUN | Pennsylvania | Good | 1933 | 93 | 100 |
| MUDDY FORK | Pennsylvania | Fair | 1933 | 93 | 10 |
| ROCK CREEK | Pennsylvania | Fair | 1934 | 92 | 1,118 |
| LONG RUN | Pennsylvania | Fair | 1934 | 92 | 8,278 |
| BULL CREEK | Pennsylvania | Good | 1934 | 92 | 3,789 |
| NORTH BRANCH ROBINSON RN | Pennsylvania | Fair | 1934 | 92 | 3,452 |
| FLAUGHERTY RUN | Pennsylvania | Fair | 1934 | 92 | 40 |
| PAINTERS RUN | Pennsylvania | Fair | 1934 | 92 | 15,049 |
| MONTOUR RUN | Pennsylvania | Fair | 1934 | 92 | 550 |
| MONTOUR RUN NORTH BRANCH | Pennsylvania | Fair | 1934 | 92 | 520 |
| HILLSIDE | Pennsylvania | Fair | 1934 | 92 | 9,028 |
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.