M-89 over Kalamazoo River Overflow
GoodAllegan County, Michigan · 6.0 MI E of Fennville · Structure no. 000000000000086
- Built
- 1952
- 73 years old, rebuilt 2018
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 4,275
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
M-89 over Kalamazoo River Overflow is a prestressed concrete box beam or girders - single or spread carrying M-89 over Kalamazoo River Overflow in Allegan County, Michigan. It was built in 1952 and reconstructed in 2018, so it is 73 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 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 4,275 vehicles a day, roughly 12% of them trucks, projected to reach 4,700 by 2039. The structure is 30 ft (9.2 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| 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 M-89 over Kalamazoo River Overflow built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2018.
What condition is M-89 over Kalamazoo River Overflow 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 July 2024.
How much traffic does M-89 over Kalamazoo River Overflow carry?
About 4,275 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is M-89 over Kalamazoo River Overflow?
The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m) and a deck 46 ft wide.
Who owns M-89 over Kalamazoo River Overflow?
It is owned by the State Highway Agency.