M-231 over Leonard Street
GoodOttawa County, Michigan · 1 MI S of I-96 · Structure no. 000000000013462
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 150 ft
- 1 main span
- Daily traffic
- 18,700
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
M-231 over Leonard Street is a prestressed concrete stringer/multi-beam or girder carrying M-231 over Leonard Street in Ottawa County, Michigan. It was built in 2013, so it is 12 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 18,700 vehicles a day, roughly 7% of them trucks, projected to reach 22,000 by 2031. The structure is 150 ft (45.7 m) long and 50 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-231 over Leonard Street built?
It was built in 2013, making it 12 years old in 2025.
What condition is M-231 over Leonard Street 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 November 2024.
How much traffic does M-231 over Leonard Street carry?
About 18,700 vehicles per day (2011 count), of which roughly 7% are trucks.
How long is M-231 over Leonard Street?
The structure is 150 ft (45.7 m) long with a longest span of 147 ft (44.7 m) and a deck 50 ft wide.
Who owns M-231 over Leonard Street?
It is owned by the State Highway Agency.