M-81 over Marsh Drain
GoodTuscola County, Michigan · 3.7 MI W of Sanilac Col · Structure no. 000000000010435
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 6,273
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-81 over Marsh Drain is a concrete culvert carrying M-81 over Marsh Drain in Tuscola County, Michigan. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 6,273 vehicles a day, roughly 6% of them trucks, projected to reach 14,000 by 2027. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-81 over Marsh Drain built?
It was built in 2007, making it 18 years old in 2025.
What condition is M-81 over Marsh 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 August 2024.
How much traffic does M-81 over Marsh Drain carry?
About 6,273 vehicles per day (2007 count), of which roughly 6% are trucks.
How long is M-81 over Marsh Drain?
The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m).
Who owns M-81 over Marsh Drain?
It is owned by the State Highway Agency.