M-90 over Potts Drain
GoodSanilac County, Michigan · 2.2 MI E of M-19 · Structure no. 000000000009455
- Built
- 1961
- 64 years old, rebuilt 2015
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 2,600
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
M-90 over Potts Drain is a steel stringer/multi-beam or girder carrying M-90 over Potts Drain in Sanilac County, Michigan. It was built in 1961 and reconstructed in 2015, so it is 64 years old, older 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 2,600 vehicles a day, roughly 5% of them trucks, projected to reach 2,990 by 2032. The structure is 30 ft (9.1 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| 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 M-90 over Potts Drain built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.
What condition is M-90 over Potts 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 2024.
How much traffic does M-90 over Potts Drain carry?
About 2,600 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is M-90 over Potts Drain?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 47 ft wide.
Who owns M-90 over Potts Drain?
It is owned by the State Highway Agency.