Sth 40 over Alder Creek
GoodRusk County, Wisconsin · 0.1M N JCT Cth H to N · Structure no. B54002100000000
- Built
- 1977
- 48 years old, rebuilt 2017
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 880
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 40 over Alder Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 40 over Alder Creek in Rusk County, Wisconsin. It was built in 1977 and reconstructed in 2017, so it is 48 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 880 vehicles a day, roughly 13% of them trucks, projected to reach 1,056 by 2041. The structure is 57 ft (17.3 m) long and 36 ft wide. If it were closed, the detour would be 60.9 mi (98 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 40 over Alder Creek built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2017.
What condition is Sth 40 over Alder Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does Sth 40 over Alder Creek carry?
About 880 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is Sth 40 over Alder Creek?
The structure is 57 ft (17.3 m) long with a longest span of 55 ft (16.8 m) and a deck 36 ft wide.
Who owns Sth 40 over Alder Creek?
It is owned by the State Highway Agency.