Cth P over Thompson Lake Outlet
Pepin County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth P over Thompson Lake Outlet in Pepin County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 897 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 38 of the 57 inventoried bridges in Pepin County rated good (66.7%); 4 (7.0%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (44.62535, -91.99021)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 21 ft |
| Location | 0.8M E Jct Cth O |
| NBI structure number | B46000700000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Pepin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 10-sth 25-3rd over Chippewa River 02 | 2006 | 6,400 | Good |
| Ush 10-sth 25 over Thompson Lake | 1994 | 5,800 | Fair |
| Ush 10-sth 25 over Chippewa River Overflow | 1994 | 5,800 | Fair |
| Sth 85 over Bear Creek | 2008 | 3,400 | Good |
| Ush 10 over Eau Galle River | 1994 | 3,000 | Good |
| Ush 10 over Eau Galle River Overflow | 1994 | 3,000 | Good |
All bridges nearby: Pepin County, WI bridge conditions · every bridge in Pepin County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.