Sth 64 over Willow River
FairSt. Croix County, Wisconsin · 1.2M E JCT Cth T · Structure no. B55069400000000
- Built
- 2009
- 16 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 7,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 64 over Willow River is a concrete continuous slab carrying Sth 64 over Willow River in St. Croix County, Wisconsin. It was built in 2009, so it is 16 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,300 vehicles a day, projected to reach 8,760 by 2043. The structure is 139 ft (42.5 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 64 over Willow River built?
It was built in 2009, making it 16 years old in 2025.
What condition is Sth 64 over 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 September 2024.
How much traffic does Sth 64 over Willow River carry?
About 7,300 vehicles per day (2022 count).
How long is Sth 64 over Willow River?
The structure is 139 ft (42.5 m) long with a longest span of 55 ft (16.8 m) and a deck 47 ft wide.
Who owns Sth 64 over Willow River?
It is owned by the State Highway Agency.