Sth 21 over LA Crosse River
GoodMonroe County, Wisconsin · 0.3M E JCT Cth Q · Structure no. B41019700000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 128 ft
- 1 main span
- Daily traffic
- 4,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 21 over LA Crosse River is a prestressed concrete stringer/multi-beam or girder carrying Sth 21 over LA Crosse River 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 4,000 vehicles a day, projected to reach 4,800 by 2041. The structure is 128 ft (38.9 m) long and 46 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 21 over LA Crosse River built?
It was built in 1997, making it 28 years old in 2025.
What condition is Sth 21 over LA Crosse River 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 LA Crosse River carry?
About 4,000 vehicles per day (2021 count).
How long is Sth 21 over LA Crosse River?
The structure is 128 ft (38.9 m) long with a longest span of 125 ft (38.1 m) and a deck 46 ft wide.
Who owns Sth 21 over LA Crosse River?
It is owned by the State Highway Agency.