Sth 171 over Mill Creek
GoodRichland County, Wisconsin · 0.2M E JCT Cth E · Structure no. B52026600000000
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected March 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 276 ft
- 3 main spans
- Daily traffic
- 340
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 171 over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 171 over Mill Creek in Richland County, Wisconsin. It was built in 2013, so it is 12 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 340 vehicles a day, roughly 6% of them trucks, projected to reach 1,790 by 2041. The structure is 276 ft (84.2 m) long and 38 ft wide. If it were closed, the detour would be 10.6 mi (17 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 171 over Mill Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is Sth 171 over Mill 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 March 2022.
How much traffic does Sth 171 over Mill Creek carry?
About 340 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Sth 171 over Mill Creek?
The structure is 276 ft (84.2 m) long with a longest span of 106 ft (32.3 m) and a deck 38 ft wide.
Who owns Sth 171 over Mill Creek?
It is owned by the State Highway Agency.