Sth 23 over Shannahan Valley Creek
GoodSauk County, Wisconsin · 0.3 MI S JCT Cth Gg · Structure no. B56023500000000
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 2,200
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 23 over Shannahan Valley Creek is a concrete slab carrying Sth 23 over Shannahan Valley Creek in Sauk County, Wisconsin. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,200 vehicles a day, roughly 31% of them trucks, projected to reach 2,400 by 2041. The structure is 52 ft (16 m) long and 39 ft wide. If it were closed, the detour would be 56.5 mi (91 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 23 over Shannahan Valley Creek built?
It was built in 2024, making it 1 years old in 2025.
What condition is Sth 23 over Shannahan Valley 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 December 2024.
How much traffic does Sth 23 over Shannahan Valley Creek carry?
About 2,200 vehicles per day (2021 count), of which roughly 31% are trucks.
How long is Sth 23 over Shannahan Valley Creek?
The structure is 52 ft (16 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.
Who owns Sth 23 over Shannahan Valley Creek?
It is owned by the State Highway Agency.