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 |
|---|---|---|---|---|---|
| WISCONSIN RIVER TRIB | Wisconsin | Fair | 1932 | 94 | 4,100 |
| GERMAN VALLEY CREEK | Wisconsin | Fair | 1932 | 94 | 145 |
| BEAVER CREEK | Wisconsin | Fair | 1932 | 94 | 587 |
| BR PECATONICA RIVER | Wisconsin | Fair | 1932 | 94 | 105 |
| BR SYLVESTER CREEK | Wisconsin | Fair | 1932 | 94 | 105 |
| BR S FK BEAVER CREEK | Wisconsin | Fair | 1932 | 94 | 390 |
| FOREMAN CREEK | Wisconsin | Fair | 1932 | 94 | 306 |
| ROCK CREEK | Wisconsin | Fair | 1932 | 94 | 500 |
| LRD W CLEVELAND AVE | Wisconsin | Fair | 1932 | 94 | 192 |
| LEMONWEIR CREEK | Wisconsin | Fair | 1932 | 94 | 47 |
| BRUSH CREEK | Wisconsin | Fair | 1932 | 94 | 94 |
| N BR MILWAUKEE RIVER | Wisconsin | Fair | 1932 | 94 | 205 |
| BR HORNBY HOLLOW CREEK | Wisconsin | Fair | 1932 | 94 | 47 |
| MILL CREEK | Wisconsin | Fair | 1932 | 94 | 680 |
| SPRING BROOK | Wisconsin | Poor | 1932 | 94 | 82 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| SLOUGH | Wisconsin | Poor | 1933 | 93 | 2,100 |
| TAYLOR CREEK | Wisconsin | Fair | 1933 | 93 | 8,400 |
| ARKANSAW CREEK | Wisconsin | Fair | 1933 | 93 | 233 |
| RAT RIVER | Wisconsin | Good | 1933 | 93 | 779 |
| MOCCASIN CREEK | Wisconsin | Fair | 1933 | 93 | 4,200 |
| HONEY CREEK | Wisconsin | Poor | 1933 | 93 | 860 |
| BR SKINNER CREEK | Wisconsin | Fair | 1933 | 93 | 52 |
| BR PECATONICA RIVER | Wisconsin | Fair | 1933 | 93 | 84 |
| SKINNER CREEK | Wisconsin | Fair | 1933 | 93 | 112 |
| PIKE RIVER | Wisconsin | Fair | 1933 | 93 | 58 |
| WHITNALL PARK CREEK | Wisconsin | Fair | 1933 | 93 | 192 |
| WHITNALL PARK CREEK | Wisconsin | Good | 1933 | 93 | 321 |
| HONEY CREEK | Wisconsin | Fair | 1933 | 93 | 7,380 |
| HONEY CREEK | Wisconsin | Poor | 1933 | 93 | 4,700 |
| HONEY CREEK | Wisconsin | Fair | 1933 | 93 | 7,380 |
| LRD W PIERCE ST | Wisconsin | Poor | 1933 | 93 | 18,735 |
| BR KICKAPOO RIVER | Wisconsin | Fair | 1933 | 93 | 94 |
| ARKANSAW CREEK | Wisconsin | Fair | 1933 | 93 | 233 |
| N FK BAD AXE RIVER | Wisconsin | Poor | 1933 | 93 | 35 |
| DUNCAN CREEK | Wisconsin | Poor | 1934 | 92 | 2,855 |
| KOSHKONONG CREEK | Wisconsin | Fair | 1934 | 92 | 4,200 |
| LRD OLD MIDDLETON RD | Wisconsin | Fair | 1934 | 92 | 29,600 |
| SAND CREEK | Wisconsin | Poor | 1934 | 92 | 702 |
| WILSON CREEK | Wisconsin | Poor | 1934 | 92 | 2,900 |
| SPRING CREEK | Wisconsin | Fair | 1934 | 92 | 3,900 |
| EIGHTEEN MILE CREEK | Wisconsin | Fair | 1934 | 92 | 4,000 |
| GRAND RIVER | Wisconsin | Fair | 1934 | 92 | 1,800 |
| LITTLE MANITOWOC RIVER | Wisconsin | Fair | 1934 | 92 | 13,800 |
| HONEY CREEK | Wisconsin | Poor | 1934 | 92 | 13,800 |
| MENOMONEE RIVER | Wisconsin | Poor | 1934 | 92 | 18,300 |
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.