Bridge conditions in Kewaunee County, Wisconsin
92 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 92 bridges in Kewaunee County: 35 rated good, 52 fair, and 5 poor.
- 5 of the 92 bridges in Kewaunee County, Wisconsin, are rated in poor condition (5.4%) in the 2025 National Bridge Inventory, as of .
- 35 bridges (38.0%) are rated good and 52 (56.5%) fair.
- The median Kewaunee County bridge was built in 1989.
- The busiest poor-rated bridge is Cth Ab Main St over School Creek (built 1932), carrying about 1,900 vehicles a day.
Good 38.0% · Fair 56.5% · Poor 5.4% of 92 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Cth Ab Main St over School Creek | 1932 | 1,900 | Poor |
| Cth Bb over N Br E Twin River | 1978 | 1,200 | Poor |
| Cth Kb over Black Creek | 1946 | 975 | Poor |
| Cth H over Br Kewaunee River | 1958 | 141 | Poor |
| Lrd Lowell Road over No-name Creek | 2008 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 57 over Unnamed Stream | 2005 | 10,800 | Fair |
| Sth 57 | Cth Dk over Red River | 1958 | 10,100 | Fair |
| Sth 54 over Br School Creek | 1981 | 7,800 | Fair |
| Sth 54 over School Creek | 1997 | 7,800 | Good |
| Sth 54 over School Creek | 1997 | 7,800 | Good |
| Sth 54 over School Creek | 1997 | 7,800 | Fair |
| Sth 54 over Luxemburg Creek | 1981 | 7,400 | Fair |
| Sth 42/MAIN St over Ahnapee Trail | 1977 | 5,700 | Good |
| Sth 29/42-milwauke over Kewaunee River | 1985 | 5,700 | Fair |
| Sth 54 over Br Kewaunee River | 1982 | 5,300 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Wisconsin: Wisconsin bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.