Wisner Road over Bad River
GoodGratiot County, Michigan · Sec 18 Hamilton Twp · Structure no. 000000000003170
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 480
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Wisner Road over Bad River is a prestressed concrete box beam or girders - multiple carrying Wisner Road over Bad River in Gratiot County, Michigan. It was built in 1978, so it is 47 years old, younger 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 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 480 vehicles a day, projected to reach 645 by 2023. The structure is 72 ft (21.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wisner Road over Bad River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Wisner Road over Bad 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 June 2023.
How much traffic does Wisner Road over Bad River carry?
About 480 vehicles per day (2003 count).
How long is Wisner Road over Bad River?
The structure is 72 ft (21.9 m) long with a longest span of 71 ft (21.6 m) and a deck 36 ft wide.
Who owns Wisner Road over Bad River?
It is owned by the County Highway Agency.