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 |
|---|---|---|---|---|---|
| COBBS CREEK | Pennsylvania | Poor | 1924 | 102 | 18,222 |
| COBBS CREEK | Pennsylvania | Fair | 1924 | 102 | 18,222 |
| Thompson Run | Pennsylvania | Poor | 1924 | 102 | 16,904 |
| UNT to West Dry Run | Pennsylvania | Fair | 1924 | 102 | 100 |
| BRANCH OF BEAVER CREEK | Pennsylvania | Poor | 1925 | 101 | 200 |
| PINE CREEK | Pennsylvania | Fair | 1925 | 101 | 31,339 |
| PINE CREEK NEAR FLOOD CH | Pennsylvania | Fair | 1925 | 101 | 31,339 |
| BR.ROBINSON RUN | Pennsylvania | Fair | 1925 | 101 | 9,278 |
| LOBBS RUN | Pennsylvania | Fair | 1925 | 101 | 609 |
| FLAUGHERTY RUN | Pennsylvania | Fair | 1925 | 101 | 6,482 |
| FARRAGUT ST JACKS RUN | Pennsylvania | Good | 1925 | 101 | 11,263 |
| SAW MILL RUN | Pennsylvania | Poor | 1925 | 101 | - |
| CHARTIERS CREEK | Pennsylvania | Poor | 1925 | 101 | 3,756 |
| PAT LRT SPUR LINE | Pennsylvania | Fair | 1925 | 101 | 12,000 |
| N BR S FRK PINE CREEK | Pennsylvania | Poor | 1925 | 101 | 109 |
| TRIB TO BUFFALO CREEK | Pennsylvania | Poor | 1925 | 101 | 785 |
| UPPER DRY RUN CREEK | Pennsylvania | Fair | 1925 | 101 | 8,308 |
| BLOCKHOUSE RUN | Pennsylvania | Poor | 1925 | 101 | - |
| PINEY CREEK | Pennsylvania | Poor | 1925 | 101 | 371 |
| GORDONS CREEK | Pennsylvania | Poor | 1925 | 101 | 3,757 |
| E.BR.SIDELING HILL CREEK | Pennsylvania | Fair | 1925 | 101 | 158 |
| TUB MILL RUN | Pennsylvania | Fair | 1925 | 101 | 11 |
| THREE SPRINGS RUN | Pennsylvania | Poor | 1925 | 101 | 42 |
| TRIB MILL CREEK | Pennsylvania | Fair | 1925 | 101 | 5,642 |
| TRIB.MILL CREEK | Pennsylvania | Poor | 1925 | 101 | 5,642 |
| STONY RUN | Pennsylvania | Fair | 1925 | 101 | 1,458 |
| TULPEHOCKEN CREEK | Pennsylvania | Fair | 1925 | 101 | 292 |
| WYOMISSING CREEK | Pennsylvania | Fair | 1925 | 101 | 1,461 |
| NORFOLK SOUTHERN RR | Pennsylvania | Fair | 1925 | 101 | 12,606 |
| FURNACE CREEK | Pennsylvania | Fair | 1925 | 101 | 350 |
| FRANKSTOWN BR JUNIATA R | Pennsylvania | Fair | 1925 | 101 | 1,675 |
| GILLANS RUN | Pennsylvania | Poor | 1925 | 101 | 1,569 |
| BLAIR GAP RUN | Pennsylvania | Poor | 1925 | 101 | 1,514 |
| SUGAR CREEK | Pennsylvania | Fair | 1925 | 101 | 3,751 |
| ROCKWELL CREEK | Pennsylvania | Poor | 1925 | 101 | 25 |
| COOKS CREEK | Pennsylvania | Poor | 1925 | 101 | 831 |
| TOHICKON CREEK | Pennsylvania | Fair | 1925 | 101 | 100 |
| NORTH BRANCH BEAR CREEK | Pennsylvania | Poor | 1925 | 101 | 847 |
| MUDDY CREEK | Pennsylvania | Poor | 1925 | 101 | 100 |
| SALT LICK RUN | Pennsylvania | Fair | 1925 | 101 | 788 |
| VAUGHNS RUN | Pennsylvania | Fair | 1925 | 101 | 1,640 |
| REESE HOLLOW | Pennsylvania | Fair | 1925 | 101 | 1,640 |
| STEEL HOLLOW RUN | Pennsylvania | Fair | 1925 | 101 | 2,220 |
| TRIB. BALD EAGLE CREEK | Pennsylvania | Fair | 1925 | 101 | 2,220 |
| LAUREL RUN | Pennsylvania | Fair | 1925 | 101 | 2,220 |
| WALLACE RUN | Pennsylvania | Fair | 1925 | 101 | 3,806 |
| GALBRAITH GAP RUN | Pennsylvania | Fair | 1925 | 101 | 13,783 |
| PINE CREEK | Pennsylvania | Poor | 1925 | 101 | 15 |
| BALD EAGLE CREEK | Pennsylvania | Poor | 1925 | 101 | 50 |
| BUFFALO RUN | Pennsylvania | Poor | 1925 | 101 | 240 |
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.