Sth 77 over W Fk Chippewa River
FairSawyer County, Wisconsin · 7.5M E JCT Cth S · Structure no. B57000100000000
- Built
- 1948
- 77 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 990
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 77 over W Fk Chippewa River is a concrete continuous culvert carrying Sth 77 over W Fk Chippewa River in Sawyer County, Wisconsin. It was built in 1948, so it is 77 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 990 vehicles a day, roughly 11% of them trucks, projected to reach 732 by 2042. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 20.5 mi (33 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 77 over W Fk Chippewa River built?
It was built in 1948, making it 77 years old in 2025.
What condition is Sth 77 over W Fk Chippewa River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does Sth 77 over W Fk Chippewa River carry?
About 990 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is Sth 77 over W Fk Chippewa River?
The structure is 27 ft (8.3 m) long with a longest span of 10 ft (3 m).
Who owns Sth 77 over W Fk Chippewa River?
It is owned by the State Highway Agency.