Bridge conditions in Calumet County, Wisconsin
63 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 63 Calumet County bridges in the federal inventory, 11 carry a poor rating. That 17.5% share is roughly 3x the national average.
- 11 of the 63 bridges in Calumet County, Wisconsin, are rated in poor condition (17.5%) in the 2025 National Bridge Inventory, as of .
- 24 bridges (38.1%) are rated good and 28 (44.4%) fair.
- The median Calumet County bridge was built in 1982.
- The busiest poor-rated bridge is Ush 151-sth 32-sth over S Br Manitowoc River (built 1951), carrying about 9,200 vehicles a day.
Good 38.1% · Fair 44.4% · Poor 17.5% of 63 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 |
|---|---|---|---|
| Ush 151-sth 32-sth over S Br Manitowoc River | 1951 | 9,200 | Poor |
| Lrd Main St over Spring Creek | 1935 | 5,900 | Poor |
| Lrd Grand St over S Br Manitowoc River | 1927 | 1,997 | Poor |
| Lrd Glenview Ave over Spring Creek | 1974 | 1,900 | Poor |
| Lrd Mchugh Rd over Killsnake River | 1924 | 102 | Poor |
| Lrd Lemke Rd over Killsnake River | 1918 | 102 | Poor |
| Lrd Weeks Rd over Killsnake River | 1972 | 60 | Poor |
| Lrd Irish Rd over N Br Manitowoc River | 1920 | 41 | Poor |
| Lrd Steiner Rd over Killsnake River | 1972 | 41 | Poor |
| Lrd Killsnake Rd over Killsnake River | 1925 | 30 | Poor |
| Lrd Lake Shore Dr over Mud Creek | 1959 | 30 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 441 NB over Cth Kk | 1993 | 22,250 | Fair |
| Sth 441 SB over Cth Kk | 1993 | 22,250 | Fair |
| Sth 441 SB over Lrd Lake Park Road | 1993 | 20,550 | Good |
| Sth 441 NB over Lrd Lake Park Road | 1993 | 19,350 | Good |
| Ush 151-sth 32-sth over S Br Manitowoc River | 1951 | 9,200 | Poor |
| Sth 32-sth 57 over Cmstpp RR | 1970 | 7,000 | Good |
| Sth 32-sth 57 over Killsnake River | 1983 | 6,900 | Fair |
| Ush 10-ryan St over Spring Creek | 1988 | 6,700 | Good |
| Lrd Main St over Spring Creek | 1935 | 5,900 | Poor |
| Sth 114 over N Br Manitowoc River | 1991 | 4,800 | 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.