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 |
|---|---|---|---|---|---|
| FRENCH CREEK | Wisconsin | Poor | 1950 | 76 | 50 |
| BR SUGAR RIVER | Wisconsin | Fair | 1950 | 76 | 790 |
| TWIN GROVE BRANCH | Wisconsin | Fair | 1950 | 76 | 211 |
| BR RICHLAND CREEK | Wisconsin | Fair | 1950 | 76 | 56 |
| TRUMP COULEE CREEK | Wisconsin | Fair | 1950 | 76 | 47 |
| WHITEWATER RIVER | Wisconsin | Fair | 1950 | 76 | 411 |
| EAST BRANCH | Wisconsin | Fair | 1950 | 76 | 23 |
| DES PLAINES RIVER | Wisconsin | Fair | 1950 | 76 | 650 |
| BR GALENA RIVER | Wisconsin | Fair | 1950 | 76 | 88 |
| GALENA RIVER | Wisconsin | Fair | 1950 | 76 | 88 |
| BR OTTER CREEK | Wisconsin | Good | 1950 | 76 | 94 |
| BR OTTER CREEK | Wisconsin | Fair | 1950 | 76 | 94 |
| SPOFFORD CREEK | Wisconsin | Fair | 1950 | 76 | 47 |
| BR GALENA RIVER | Wisconsin | Poor | 1950 | 76 | 88 |
| SPAFFORD CREEK | Wisconsin | Fair | 1950 | 76 | 52 |
| BR AMES BRANCH | Wisconsin | Fair | 1950 | 76 | 23 |
| BR DEVILS RIVER | Wisconsin | Fair | 1950 | 76 | 23 |
| SILVER CREEK | Wisconsin | Fair | 1950 | 76 | 942 |
| LITTLE WOLF RIVER | Wisconsin | Fair | 1950 | 76 | 270 |
| FOUR MILE CREEK | Wisconsin | Fair | 1950 | 76 | 672 |
| WAUSAUKEE RIVER | Wisconsin | Fair | 1950 | 76 | 1,005 |
| MISCAUNO CREEK | Wisconsin | Poor | 1950 | 76 | 80 |
| CNW RR | Wisconsin | Poor | 1950 | 76 | 47 |
| N BR KINNICKINNIC RIVER | Wisconsin | Fair | 1950 | 76 | 2,500 |
| ROOT RIVER | Wisconsin | Good | 1950 | 76 | 7,500 |
| BR KINNICKINNIC RIVER | Wisconsin | Fair | 1950 | 76 | 11,498 |
| E BR COON CREEK | Wisconsin | Fair | 1950 | 76 | 23 |
| BR ALLEN CREEK | Wisconsin | Good | 1950 | 76 | 305 |
| COUNCIL CREEK | Wisconsin | Fair | 1950 | 76 | 23 |
| BR LITTLE RIVER | Wisconsin | Fair | 1950 | 76 | 1,200 |
| N BR OCONTO RIVER | Wisconsin | Fair | 1950 | 76 | 150 |
| BR LITTLE SUAMICO RIVER | Wisconsin | Good | 1950 | 76 | 120 |
| TOAD CREEK | Wisconsin | Fair | 1950 | 76 | 392 |
| MAPLE CREEK | Wisconsin | Fair | 1950 | 76 | 266 |
| BR MAPLE CREEK | Wisconsin | Fair | 1950 | 76 | 266 |
| BR APPLE CREEK | Wisconsin | Fair | 1950 | 76 | 1,947 |
| BR SAUK CREEK | Wisconsin | Fair | 1950 | 76 | 194 |
| SAUK CREEK | Wisconsin | Fair | 1950 | 76 | 194 |
| BR MISSOURI CR | Wisconsin | Fair | 1950 | 76 | 25 |
| BUENA VISTA CREEK | Wisconsin | Fair | 1950 | 76 | 24 |
| TOMORROW RIVER | Wisconsin | Fair | 1950 | 76 | 48 |
| E BR ROOT RIVER CANAL | Wisconsin | Fair | 1950 | 76 | 94 |
| N BR PIKE RIVER | Wisconsin | Fair | 1950 | 76 | 3,400 |
| ELK CREEK | Wisconsin | Fair | 1950 | 76 | 163 |
| BR HORSE CREEK | Wisconsin | Poor | 1950 | 76 | 520 |
| BR PINE RIVER | Wisconsin | Fair | 1950 | 76 | 207 |
| MAIN CREEK | Wisconsin | Fair | 1950 | 76 | 95 |
| FRENCH CREEK | Wisconsin | Good | 1950 | 76 | 110 |
| BR RUSH RIVER | Wisconsin | Poor | 1950 | 76 | 100 |
| RUSH RIVER | Wisconsin | Fair | 1950 | 76 | 115 |
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.