Lrd 170th ST over Willow River
GoodSt. Croix County, Wisconsin · 1.1M S JCT Cth K · Structure no. P55009900000000
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 87 ft
- 2 main spans
- Daily traffic
- 109
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Lrd 170th ST over Willow River is a concrete continuous slab carrying Lrd 170th ST over Willow River in St. Croix County, Wisconsin. It was built in 1976, so it is 49 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 109 vehicles a day, projected to reach 119 by 2043. The structure is 87 ft (26.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lrd 170th ST over Willow River built?
It was built in 1976, making it 49 years old in 2025.
What condition is Lrd 170th ST over Willow 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 2024.
How much traffic does Lrd 170th ST over Willow River carry?
About 109 vehicles per day (2022 count).
How long is Lrd 170th ST over Willow River?
The structure is 87 ft (26.5 m) long with a longest span of 42 ft (12.9 m) and a deck 28 ft wide.
Who owns Lrd 170th ST over Willow River?
It is owned by the Town or Township Highway Agency.