Bridge conditions in St. Croix County, Wisconsin
297 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
10 of the 297 bridges the federal inventory lists in St. Croix County are rated poor; the rest split 173 good and 114 fair.
- 10 of the 297 bridges in St. Croix County, Wisconsin, are rated in poor condition (3.4%) in the 2025 National Bridge Inventory, as of .
- 173 bridges (58.2%) are rated good and 114 (38.4%) fair.
- The median St. Croix County bridge was built in 1990.
- The busiest poor-rated bridge is Ih 94 EB over Eau Galle River (built 1958), carrying about 17,800 vehicles a day.
Good 58.2% · Fair 38.4% · Poor 3.4% of 297 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 |
|---|---|---|---|
| Ih 94 EB over Eau Galle River | 1958 | 17,800 | Poor |
| Lrd 11TH St over Ih 94-ush 12-sth 35 | 1973 | 13,600 | Poor |
| Cth A over Willow River | 1980 | 9,200 | Poor |
| Ush 63 over Br Willow River | 1962 | 4,800 | Poor |
| Sth 65 S over Sth 35 | 1992 | 4,200 | Poor |
| Cth K over Br Willow River | 1935 | 1,300 | Poor |
| Lrd Trout Brook Rd over Willow River | 1975 | 920 | Poor |
| Lrd 60TH Ave over Rush River - Dry Streamb | 1980 | 300 | Poor |
| Cth Y over Rush River | 1964 | 250 | Poor |
| Lrd 30TH Ave over Br Rush River | 1950 | 100 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 94-ush 12-sth 3 over Sth 35 SB | 1972 | 83,400 | Fair |
| Ih 94-ush 12-sth 3 over Lrd Front St | 1972 | 82,400 | Fair |
| Ih 94 Wb-ush 12 WB over Quixote Ave-st Croix Riv | 1973 | 41,700 | Fair |
| Ih 94 Eb-ush 12 EB over Lrd Quixote Ave-st Croix | 1995 | 41,700 | Fair |
| Lrd Carmichael Rd over Ih 94-ush 12-sth 35 | 1991 | 30,600 | Fair |
| Ih 94 EB over Sth 35 | 2000 | 28,500 | Good |
| Ih 94 WB over Sth 35 | 2000 | 28,500 | Fair |
| Sth 64 over St. Croix River | 2017 | 28,000 | Fair |
| Ih 94 WB over Lrd Kinney Rd | 1958 | 21,600 | Fair |
| Ih 94 EB over Lrd Kinney Rd | 1958 | 21,600 | Fair |
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.