Sth 21 over Mud Creek
GoodMonroe County, Wisconsin · 14.4 M E JCT Sth 71 · Structure no. B41020400000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected October 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 3,900
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 21 over Mud Creek is a concrete continuous culvert carrying Sth 21 over Mud Creek in Monroe County, Wisconsin. It was built in 1997, so it is 28 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 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 3,900 vehicles a day, roughly 8% of them trucks, projected to reach 4,680 by 2041. The structure is 26 ft (8 m) long. If it were closed, the detour would be 2.5 mi (4 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 21 over Mud Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Sth 21 over Mud 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 October 2022.
How much traffic does Sth 21 over Mud Creek carry?
About 3,900 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Sth 21 over Mud Creek?
The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).
Who owns Sth 21 over Mud Creek?
It is owned by the State Highway Agency.