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 BIG RIB RIVER | Wisconsin | Poor | 1938 | 88 | 634 |
| FENWOOD CREEK | Wisconsin | Poor | 1938 | 88 | 283 |
| KINNICKINNIC RIVER | Wisconsin | Fair | 1938 | 88 | 7,804 |
| MORRIS CREEK | Wisconsin | Fair | 1938 | 88 | 239 |
| MCCASLIN BROOK | Wisconsin | Good | 1938 | 88 | 1,200 |
| BR LITTLE RIVER | Wisconsin | Fair | 1938 | 88 | 47 |
| MACKVILLE CREEK | Wisconsin | Fair | 1938 | 88 | 5,757 |
| TOMORROW RIVER | Wisconsin | Poor | 1938 | 88 | 101 |
| HILL POINT CREEK | Wisconsin | Fair | 1938 | 88 | 40 |
| PIGEON RIVER | Wisconsin | Fair | 1938 | 88 | 205 |
| SHEBOYGAN RIVER | Wisconsin | Fair | 1938 | 88 | 94 |
| SOUTH SQUAW CREEK | Wisconsin | Poor | 1938 | 88 | 120 |
| YELLOW RIVER | Wisconsin | Poor | 1939 | 87 | 320 |
| BADGER MILL CREEK | Wisconsin | Fair | 1939 | 87 | 10,500 |
| KOSHKONONG CREEK | Wisconsin | Poor | 1939 | 87 | 1,716 |
| BLUMS CREEK | Wisconsin | Poor | 1939 | 87 | 580 |
| ROCK RIVER | Wisconsin | Good | 1939 | 87 | 2,700 |
| OTTER CREEK | Wisconsin | Poor | 1939 | 87 | 470 |
| PINE RIVER | Wisconsin | Fair | 1939 | 87 | 750 |
| HOLLOW CREEK | Wisconsin | Fair | 1939 | 87 | 4,200 |
| LITTLE MENOMINEE CREEK | Wisconsin | Fair | 1939 | 87 | 4,300 |
| SINSINAWA RIVER | Wisconsin | Fair | 1939 | 87 | 4,300 |
| BR E PECATONICA RIVER | Wisconsin | Fair | 1939 | 87 | 2,000 |
| LAXEY CREEK | Wisconsin | Fair | 1939 | 87 | 2,000 |
| PECATONICA RIVER | Wisconsin | Poor | 1939 | 87 | 650 |
| CURRAN CREEK | Wisconsin | Fair | 1939 | 87 | 120 |
| BARK RIVER | Wisconsin | Fair | 1939 | 87 | 3,500 |
| COON CREEK | Wisconsin | Poor | 1939 | 87 | 87 |
| FLEMING CREEK | Wisconsin | Poor | 1939 | 87 | 270 |
| CNW RR | Wisconsin | Poor | 1939 | 87 | 20,130 |
| LRD MILWAUKEE AVE/CP RR | Wisconsin | Fair | 1939 | 87 | 6,400 |
| RUSH RIVER | Wisconsin | Fair | 1939 | 87 | 6,600 |
| BR RUSH RIVER | Wisconsin | Fair | 1939 | 87 | 10,200 |
| SKILLET CREEK | Wisconsin | Poor | 1939 | 87 | 738 |
| MID BR EMBARRASS RIVER | Wisconsin | Fair | 1939 | 87 | 940 |
| S BR EMBARRASS RIVER | Wisconsin | Poor | 1939 | 87 | 603 |
| BR N BEAR CREEK | Wisconsin | Fair | 1939 | 87 | 930 |
| GENOA CREEK | Wisconsin | Fair | 1939 | 87 | 1,200 |
| HOHLFELD COULEE CREEK | Wisconsin | Fair | 1939 | 87 | 550 |
| SOUTHWICK CREEK | Wisconsin | Fair | 1939 | 87 | 5,900 |
| LITTLE WOLF RIVER | Wisconsin | Fair | 1939 | 87 | 870 |
| YELLOW RIVER | Wisconsin | Fair | 1939 | 87 | 3,200 |
| CRANBERRY CREEK | Wisconsin | Poor | 1939 | 87 | 301 |
| GREGORY BRANCH | Wisconsin | Fair | 1939 | 87 | 53 |
| BR LITTLE SUGAR RIVER | Wisconsin | Fair | 1939 | 87 | 158 |
| BR BURGY CREEK | Wisconsin | Fair | 1939 | 87 | 105 |
| SPRING BROOK | Wisconsin | Fair | 1939 | 87 | 414 |
| SPRING BROOK | Wisconsin | Fair | 1939 | 87 | 623 |
| W TWIN RIVER | Wisconsin | Poor | 1939 | 87 | 1,300 |
| CEDAR CREEK | Wisconsin | Fair | 1939 | 87 | 1,410 |
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.