Cth K over Crawfish River
Columbia County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth K over Crawfish River in Columbia County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2008, making it 17 years old at the 2025 inventory.
- It carries about 488 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 46 of the 182 inventoried bridges in Columbia County rated good (25.3%); 17 (9.3%) 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 → (43.32921, -89.14241)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 42 ft |
| Location | 0.2 Mile East of Cth A |
| NBI structure number | B11014600000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Columbia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 39 Sb-90 Eb-ih over Sth 60 | 2024 | 30,150 | Good |
| Ih 90 Eb-ih 94 EB over Lrd Smokey Hollow Rd | 1961 | 29,350 | Fair |
| Ih 90 Wb-ih 94 WB over Br Rowan Creek | 1961 | 29,350 | Fair |
| Ih 90 Wb-ih 94 WB over Br Rowan Creek | 1961 | 29,350 | Fair |
| Ih 90 Wb-ih 94 WB over Br Rowan Creek | 1961 | 29,350 | Fair |
| Ih 90 Wb-ih 94 WB over Br Rowan Creek | 1961 | 29,350 | Fair |
All bridges nearby: Columbia County, WI bridge conditions · every bridge in Columbia County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.