Historic Bridges in Wisconsin
1,333 bridges built before 1951 in Wisconsin still in service today.
Bridges Built Before 1951
The United States has 1,333 bridges in Wisconsin 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 |
|---|---|---|---|---|---|
| BR LOWER PINE CREEK | Wisconsin | Fair | 1930 | 96 | 50 |
| BR HAY RIVER | Wisconsin | Fair | 1930 | 96 | 50 |
| BARKER CREEK | Wisconsin | Poor | 1930 | 96 | 50 |
| BOLAND VALLEY CREEK | Wisconsin | Poor | 1930 | 96 | 205 |
| BR EAGLE CREEK | Wisconsin | Fair | 1930 | 96 | 23 |
| PINE CREEK | Wisconsin | Fair | 1930 | 96 | 20 |
| SPRING CREEK | Wisconsin | Fair | 1930 | 96 | 1,175 |
| LITTLE HAY CREEK | Wisconsin | Fair | 1930 | 96 | 320 |
| BRANCH ELK CREEK | Wisconsin | Fair | 1930 | 96 | 200 |
| BEAVER CREEK | Wisconsin | Poor | 1930 | 96 | 90 |
| WEDGES CREEK | Wisconsin | Fair | 1930 | 96 | 58 |
| UNION PACIFIC RR | Wisconsin | Poor | 1930 | 96 | 67 |
| UNION PACIFIC RR | Wisconsin | Poor | 1930 | 96 | 81 |
| W FK KNAPP CREEK | Wisconsin | Fair | 1930 | 96 | 94 |
| RICHLAND CREEK | Wisconsin | Fair | 1930 | 96 | 205 |
| SAND CREEK | Wisconsin | Fair | 1930 | 96 | 352 |
| BR WISCONSIN RIVER | Wisconsin | Fair | 1930 | 96 | 47 |
| BR YAHARA RIVER | Wisconsin | Fair | 1930 | 96 | 406 |
| BR YAHARA RIVER | Wisconsin | Poor | 1930 | 96 | 58 |
| W. BRANCH OF SUGAR RIVER | Wisconsin | Poor | 1930 | 96 | 50 |
| UNNAMED WATERWAY | Wisconsin | Fair | 1930 | 96 | 600 |
| BR E BR ROCK RIVER | Wisconsin | Fair | 1930 | 96 | 47 |
| POKEGAMA RIVER | Wisconsin | Poor | 1930 | 96 | 75 |
| SPRUCE RIVER | Wisconsin | Poor | 1930 | 96 | 53 |
| SCHOOLHOUSE CREEK | Wisconsin | Fair | 1930 | 96 | 569 |
| ALDER CREEK | Wisconsin | Poor | 1930 | 96 | 371 |
| BRULE RIVER | Wisconsin | Fair | 1930 | 96 | 22 |
| BR E BR ROCK RIVER | Wisconsin | Poor | 1930 | 96 | 58 |
| CASS VALLEY BRANCH | Wisconsin | Poor | 1930 | 96 | 102 |
| BR PLATTE RIVER | Wisconsin | Fair | 1930 | 96 | 102 |
| FAIRPLAY CREEK | Wisconsin | Fair | 1930 | 96 | 40 |
| BR RICHLAND CREEK | Wisconsin | Poor | 1930 | 96 | 189 |
| SPRING CREEK | Wisconsin | Fair | 1930 | 96 | 58 |
| OK CREEK | Wisconsin | Fair | 1930 | 96 | 117 |
| BR SUGAR RIVER | Wisconsin | Fair | 1930 | 96 | 88 |
| GRAND RIVER | Wisconsin | Good | 1930 | 96 | 281 |
| HARKER CREEK | Wisconsin | Fair | 1930 | 96 | 78 |
| W BR BLUE MOUNDS CREEK | Wisconsin | Poor | 1930 | 96 | 40 |
| BR PECATONICA RIVER | Wisconsin | Fair | 1930 | 96 | 62 |
| LOST CREEK | Wisconsin | Fair | 1930 | 96 | 120 |
| DOUGLAS CREEK | Wisconsin | Poor | 1930 | 96 | 15 |
| KOSHKONONG CREEK | Wisconsin | Poor | 1930 | 96 | 88 |
| YELLOW RIVER OVERFLOW | Wisconsin | Fair | 1930 | 96 | 13 |
| BR STEWARTS CREEK | Wisconsin | Fair | 1930 | 96 | 139 |
| BR FOX RIVER | Wisconsin | Fair | 1930 | 96 | 2,700 |
| YELLOWSTONE RIVER | Wisconsin | Fair | 1930 | 96 | 47 |
| JONES BRANCH | Wisconsin | Poor | 1930 | 96 | 82 |
| TROTTER BRANCH | Wisconsin | Poor | 1930 | 96 | 47 |
| COON BRANCH | Wisconsin | Fair | 1930 | 96 | 88 |
| ELLIS BRANCH | Wisconsin | Poor | 1930 | 96 | 293 |
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.