Stanton RD CO 522 over Flat River
GoodPosted for loadMontcalm County, Michigan · 0.5 Mi. W. of M-91 on 522 · Structure no. 000000000007460
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 1,333
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Stanton RD CO 522 over Flat River is a prestressed concrete box beam or girders - multiple carrying Stanton RD CO 522 over Flat River in Montcalm County, Michigan. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.
It carries about 1,333 vehicles a day, projected to reach 1,750 by 2023. The structure is 60 ft (18.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stanton RD CO 522 over Flat River built?
It was built in 1966, making it 59 years old in 2025.
What condition is Stanton RD CO 522 over Flat 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 September 2023.
How much traffic does Stanton RD CO 522 over Flat River carry?
About 1,333 vehicles per day (2003 count).
How long is Stanton RD CO 522 over Flat River?
The structure is 60 ft (18.2 m) long with a longest span of 58 ft (17.6 m) and a deck 36 ft wide.
Who owns Stanton RD CO 522 over Flat River?
It is owned by the County Highway Agency.