Gratiot RD over Pine River
GoodClinton County, Michigan · 50 W of Maple Ave · Structure no. 000000000001913
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 82 ft
- 2 main spans
- Daily traffic
- 1,157
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Gratiot RD over Pine River is a prestressed concrete box beam or girders - multiple carrying Gratiot RD over Pine River in Clinton County, Michigan. It was built in 1980, so it is 45 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 1,157 vehicles a day, roughly 2% of them trucks, projected to reach 2,090 by 2031. The structure is 82 ft (25 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gratiot RD over Pine River built?
It was built in 1980, making it 45 years old in 2025.
What condition is Gratiot RD over Pine 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 October 2024.
How much traffic does Gratiot RD over Pine River carry?
About 1,157 vehicles per day (2011 count), of which roughly 2% are trucks.
How long is Gratiot RD over Pine River?
The structure is 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.
Who owns Gratiot RD over Pine River?
It is owned by the County Highway Agency.