Lrd 170th Ave over Br Willow River
FairPosted for loadSt. Croix County, Wisconsin · 0.8M E JCT Cth T · Structure no. P55009100000000
- Built
- 1924
- 101 years old, rebuilt 1970
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 150
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Lrd 170th Ave over Br Willow River is a concrete slab carrying Lrd 170th Ave over Br Willow River in St. Croix County, Wisconsin. It was built in 1924 and reconstructed in 1970, so it is 101 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.
It carries about 150 vehicles a day, projected to reach 63 by 2043. The structure is 30 ft (9.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lrd 170th Ave over Br Willow River built?
It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1970.
What condition is Lrd 170th Ave over Br Willow River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Lrd 170th Ave over Br Willow River carry?
About 150 vehicles per day (2022 count).
How long is Lrd 170th Ave over Br Willow River?
The structure is 30 ft (9.2 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns Lrd 170th Ave over Br Willow River?
It is owned by the Town or Township Highway Agency.