M-18 over US-10
FairMidland County, Michigan · @ M-18 · Structure no. 000000000006910
- Built
- 1962
- 63 years old, rebuilt 2013
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 242 ft
- 4 main spans
- Daily traffic
- 4,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
M-18 over US-10 is a steel stringer/multi-beam or girder carrying M-18 over US-10 in Midland County, Michigan. It was built in 1962 and reconstructed in 2013, so it is 63 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 5,400 by 2031. The structure is 242 ft (73.9 m) long and 47 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-18 over US-10 built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2013.
What condition is M-18 over US-10 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does M-18 over US-10 carry?
About 4,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is M-18 over US-10?
The structure is 242 ft (73.9 m) long with a longest span of 89 ft (27.1 m) and a deck 47 ft wide.
Who owns M-18 over US-10?
It is owned by the State Highway Agency.