Cth B over N Fk Clam River
Burnett County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth B over N Fk Clam River in Burnett County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1977 and reconstructed in 2021, making it 48 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 35 of the 68 inventoried bridges in Burnett County rated fair (51.5%); 5 (7.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.7605, -92.22473)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 121 ft |
| Location | 3.7M W Jct Cth X |
| NBI structure number | B07000500000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Burnett County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 35 over Yellow River | 1986 | 5,600 | Poor |
| Sth 35 over Clam River | 2002 | 5,600 | Fair |
| Lrd North Oak Stre over Wood River | 1994 | 5,270 | Good |
| Sth 70 over Wood River | 2002 | 4,900 | Fair |
| Sth 70 over Clam Lake Narrows | 1993 | 4,400 | Fair |
| Sth 70 over Wood River | 1993 | 4,200 | Good |
All bridges nearby: Burnett County, WI bridge conditions · every bridge in Burnett County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.