Winan ST over Bass Creek
GoodOttawa County, Michigan · Section 25 Robinson Twp · Structure no. 000000000008914
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Winan ST over Bass Creek is a prestressed concrete box beam or girders - multiple carrying Winan ST over Bass Creek in Ottawa County, Michigan. It was built in 1975, so it is 50 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2040. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Winan ST over Bass Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Winan ST over Bass 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 October 2024.
How much traffic does Winan ST over Bass Creek carry?
About 100 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Winan ST over Bass Creek?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 36 ft wide.
Who owns Winan ST over Bass Creek?
It is owned by the County Highway Agency.