Sth 77 over W Fk Chippewa River
Sawyer County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 77 over W Fk Chippewa River in Sawyer County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1948, making it 77 years old at the 2025 inventory.
- It carries about 990 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 45 of the 98 inventoried bridges in Sawyer County rated fair (45.9%); 17 (17.3%) 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 → (46.13483, -90.93927)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 27 ft |
| Location | 7.5M E Jct Cth S |
| NBI structure number | B57000100000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Sawyer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 27 over Namekagon River | 1996 | 13,500 | Poor |
| Sth 77 over Namekagon River | 2000 | 6,200 | Fair |
| Ush 63 over Namekagon River | 1976 | 3,900 | Good |
| Cth B over Round Lake Narrows | 1986 | 2,296 | Fair |
| Cth B over Chief River | 1988 | 1,803 | Good |
| Sth 27 over Nail Creek | 1990 | 1,600 | Good |
All bridges nearby: Sawyer County, WI bridge conditions · every bridge in Sawyer County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.