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 |
|---|---|---|---|---|---|
| BRANCH OF GARDNERS CREEK | Pennsylvania | Fair | 1937 | 89 | 631 |
| MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 2,386 |
| CHICKIES CREEK | Pennsylvania | Poor | 1937 | 89 | 7,538 |
| MEETINGHOUSE CREEK | Pennsylvania | Good | 1937 | 89 | 215 |
| SNAKE RUN | Pennsylvania | Good | 1937 | 89 | 66 |
| TRIB MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 192 |
| LITTLE CONEWAGO CREEK | Pennsylvania | Poor | 1937 | 89 | 339 |
| SHUEYS RUN | Pennsylvania | Fair | 1937 | 89 | 846 |
| NORFOLK SOUTHERN CORP | Pennsylvania | Fair | 1937 | 89 | 1,500 |
| BECK CREEK | Pennsylvania | Fair | 1937 | 89 | 900 |
| SWEITZER CREEK | Pennsylvania | Poor | 1937 | 89 | 631 |
| HUNLOCK CREEK | Pennsylvania | Fair | 1937 | 89 | 155 |
| WHITE DEER HOLE CREEK | Pennsylvania | Fair | 1937 | 89 | 108 |
| OVER SANDY CREEK TRIB | Pennsylvania | Fair | 1937 | 89 | 1,592 |
| BEAVER DAM RUN | Pennsylvania | Fair | 1937 | 89 | 5,213 |
| JACKS CREEK | Pennsylvania | Fair | 1937 | 89 | 389 |
| Princess Run | Pennsylvania | Poor | 1937 | 89 | 1,496 |
| ABRAMS RUN | Pennsylvania | Fair | 1937 | 89 | 3,939 |
| NORFOLK SOUTHERN | Pennsylvania | Poor | 1937 | 89 | 36,517 |
| SCIOTO CREEK | Pennsylvania | Fair | 1937 | 89 | 712 |
| TRIB.OF MACOBY CREEK | Pennsylvania | Fair | 1937 | 89 | 150 |
| STONY RUN (HILLEGAS RUN) | Pennsylvania | Fair | 1937 | 89 | 250 |
| BUSHKILL CREEK | Pennsylvania | Fair | 1937 | 89 | 10 |
| OUGHOUGHTON CREEK | Pennsylvania | Poor | 1937 | 89 | 150 |
| SILVER CREEK | Pennsylvania | Fair | 1937 | 89 | 2,200 |
| OVER FIDDLERS RUN | Pennsylvania | Fair | 1937 | 89 | 2,911 |
| OVER DELAWARE RUN | Pennsylvania | Good | 1937 | 89 | 1,346 |
| OVER SHAMOKIN CREEK | Pennsylvania | Poor | 1937 | 89 | 311 |
| MAHANOY CREEK | Pennsylvania | Good | 1937 | 89 | 66 |
| SHAMOKIN CREEK | Pennsylvania | Fair | 1937 | 89 | 2,400 |
| MCCABE RUN | Pennsylvania | Fair | 1937 | 89 | 2,237 |
| CISNA RUN | Pennsylvania | Good | 1937 | 89 | 139 |
| FOWLER HOLLOW RUN | Pennsylvania | Fair | 1937 | 89 | 40 |
| MAHONNEY CREEK | Pennsylvania | Fair | 1937 | 89 | 22,116 |
| PINE CREEK | Pennsylvania | Poor | 1937 | 89 | 1,073 |
| BRANCH MAHANTANGO CREEK | Pennsylvania | Poor | 1937 | 89 | 990 |
| MILL CREEK | Pennsylvania | Fair | 1937 | 89 | 3,420 |
| LITTLE SWATARA CREEK | Pennsylvania | Poor | 1937 | 89 | 913 |
| LOWER LITTLE SWATARA CR | Pennsylvania | Poor | 1937 | 89 | 913 |
| SHENANDOAH CREEK | Pennsylvania | Poor | 1937 | 89 | 178 |
| COLD RUN | Pennsylvania | Good | 1937 | 89 | 700 |
| LITTLE SCHUYLKILL RIVER | Pennsylvania | Fair | 1937 | 89 | 3,000 |
| GOODSPRING CREEK | Pennsylvania | Poor | 1937 | 89 | 550 |
| SUSQUEHECKA CREEK | Pennsylvania | Fair | 1937 | 89 | 191 |
| OVER MITCHELL CREEK | Pennsylvania | Fair | 1937 | 89 | 666 |
| BREASTWORK RUN | Pennsylvania | Poor | 1937 | 89 | 95 |
| BREASTWORK RUN | Pennsylvania | Poor | 1937 | 89 | 95 |
| BREASTWORK RUN | Pennsylvania | Poor | 1937 | 89 | 95 |
| BREASTWORK RUN | Pennsylvania | Poor | 1937 | 89 | 95 |
| TR.ELK LICK CREEK | Pennsylvania | Fair | 1937 | 89 | 363 |
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.