Sth 312 WB over C&nw Trans CO
FairEau Claire County, Wisconsin · At C&nw Trans CO · Structure no. B18012900000000
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 8,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 312 WB over C&nw Trans CO is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 312 WB over C&nw Trans CO in Eau Claire County, Wisconsin. It was built in 1993, so it is 32 years old, younger 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 8,250 vehicles a day, roughly 3% of them trucks, projected to reach 9,900 by 2041. The structure is 171 ft (52.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 312 WB over C&nw Trans CO built?
It was built in 1993, making it 32 years old in 2025.
What condition is Sth 312 WB over C&nw Trans CO 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 July 2023.
How much traffic does Sth 312 WB over C&nw Trans CO carry?
About 8,250 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Sth 312 WB over C&nw Trans CO?
The structure is 171 ft (52.1 m) long with a longest span of 56 ft (17.1 m) and a deck 43 ft wide.
Who owns Sth 312 WB over C&nw Trans CO?
It is owned by the State Highway Agency.