Oak Grove Road over Shiawassee River
GoodLivingston County, Michigan · Sec 23 Cohoctah Twp · Structure no. 000000000005837
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 74 ft
- 1 main span
- Daily traffic
- 3,050
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Oak Grove Road over Shiawassee River is a prestressed concrete box beam or girders - multiple carrying Oak Grove Road over Shiawassee River in Livingston County, Michigan. It was built in 1993, so it is 32 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 3,050 vehicles a day, projected to reach 3,400 by 2035. The structure is 74 ft (22.5 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oak Grove Road over Shiawassee River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Oak Grove Road over Shiawassee 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 August 2024.
How much traffic does Oak Grove Road over Shiawassee River carry?
About 3,050 vehicles per day (2015 count).
How long is Oak Grove Road over Shiawassee River?
The structure is 74 ft (22.5 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.
Who owns Oak Grove Road over Shiawassee River?
It is owned by the County Highway Agency.