Flat River Drive over Flat River
FairKent County, Michigan · 0.25 MI N of Vergennes ST · Structure no. 000000000005088
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 150 ft
- 2 main spans
- Daily traffic
- 2,776
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
Flat River Drive over Flat River is a prestressed concrete stringer/multi-beam or girder carrying Flat River Drive over Flat River in Kent County, Michigan. It was built in 1990, so it is 35 years old, younger than the Michigan average of 48.3 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 2,776 vehicles a day, roughly 5% of them trucks, projected to reach 4,720 by 2024. The structure is 150 ft (45.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| 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 Flat River Drive over Flat River built?
It was built in 1990, making it 35 years old in 2025.
What condition is Flat River Drive over Flat 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 Flat River Drive over Flat River carry?
About 2,776 vehicles per day (2004 count), of which roughly 5% are trucks.
How long is Flat River Drive over Flat River?
The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.8 m) and a deck 42 ft wide.
Who owns Flat River Drive over Flat River?
It is owned by the County Highway Agency.