State Road over Maple River
GoodGratiot County, Michigan · Sec 30 Washington Twp · Structure no. 000000000003164
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 660
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
State Road over Maple River is a prestressed concrete box beam or girders - multiple carrying State Road over Maple River in Gratiot County, Michigan. It was built in 1984, so it is 41 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 660 vehicles a day, projected to reach 890 by 2023. The structure is 135 ft (41.1 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 State Road over Maple River built?
It was built in 1984, making it 41 years old in 2025.
What condition is State Road over Maple 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 State Road over Maple River carry?
About 660 vehicles per day (2003 count).
How long is State Road over Maple River?
The structure is 135 ft (41.1 m) long with a longest span of 44 ft (13.4 m) and a deck 37 ft wide.
Who owns State Road over Maple River?
It is owned by the County Highway Agency.