Shance HWY over Big Thornapple Drain
GoodEaton County, Michigan · 1 MI S of Potterville · Structure no. 000000000002368
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 203
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Shance HWY over Big Thornapple Drain is a concrete culvert carrying Shance HWY over Big Thornapple Drain in Eaton County, Michigan. It was built in 1990, so it is 35 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 203 vehicles a day, projected to reach 200 by 2013. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Shance HWY over Big Thornapple Drain built?
It was built in 1990, making it 35 years old in 2025.
What condition is Shance HWY over Big Thornapple Drain 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 Shance HWY over Big Thornapple Drain carry?
About 203 vehicles per day (2011 count).
How long is Shance HWY over Big Thornapple Drain?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).
Who owns Shance HWY over Big Thornapple Drain?
It is owned by the County Highway Agency.