M-15 over I-75
FairOakland County, Michigan · @ M-15 · Structure no. 000000000008022
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 196 ft
- 2 main spans
- Daily traffic
- 22,892
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-15 over I-75 is a prestressed concrete box beam or girders - multiple carrying M-15 over I-75 in Oakland County, Michigan. It was built in 2005, so it is 20 years old, younger 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 22,892 vehicles a day, roughly 2% of them trucks, projected to reach 32,720 by 2018. The structure is 196 ft (59.8 m) long and 91 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-15 over I-75 built?
It was built in 2005, making it 20 years old in 2025.
What condition is M-15 over I-75 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 December 2024.
How much traffic does M-15 over I-75 carry?
About 22,892 vehicles per day (2007 count), of which roughly 2% are trucks.
How long is M-15 over I-75?
The structure is 196 ft (59.8 m) long with a longest span of 98 ft (29.9 m) and a deck 91 ft wide.
Who owns M-15 over I-75?
It is owned by the State Highway Agency.