Otto Road over Thornapple River
GoodEaton County, Michigan · 6 MI N of Charlotte · Structure no. 000000000002357
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 65 ft
- 1 main span
- Daily traffic
- 630
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Otto Road over Thornapple River is a prestressed concrete box beam or girders - multiple carrying Otto Road over Thornapple River in Eaton County, Michigan. It was built in 1986, so it is 39 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 630 vehicles a day, projected to reach 3,155 by 2013. The structure is 65 ft (19.8 m) long and 34 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 Otto Road over Thornapple River built?
It was built in 1986, making it 39 years old in 2025.
What condition is Otto Road over Thornapple 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 May 2023.
How much traffic does Otto Road over Thornapple River carry?
About 630 vehicles per day (2012 count).
How long is Otto Road over Thornapple River?
The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.
Who owns Otto Road over Thornapple River?
It is owned by the County Highway Agency.