I-75 Conn EB over M-24
FairOakland County, Michigan · @ M-24(I-75 Conn to M-24) · Structure no. 000000000008010
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 183 ft
- 4 main spans
- Daily traffic
- 15,125
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 Conn EB over M-24 is a prestressed concrete stringer/multi-beam or girder carrying I-75 Conn EB over M-24 in Oakland County, Michigan. It was built in 1962, 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 15,125 vehicles a day, roughly 3% of them trucks, projected to reach 16,075 by 2039. The structure is 183 ft (55.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 Conn EB over M-24 built?
It was built in 1962, making it 63 years old in 2025.
What condition is I-75 Conn EB over M-24 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 July 2023.
How much traffic does I-75 Conn EB over M-24 carry?
About 15,125 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is I-75 Conn EB over M-24?
The structure is 183 ft (55.8 m) long with a longest span of 63 ft (19.3 m) and a deck 48 ft wide.
Who owns I-75 Conn EB over M-24?
It is owned by the State Highway Agency.