I-75 over Conrail RR
GoodWayne County, Michigan · In Detroit · Structure no. 000000000011838
- Built
- 1969
- 56 years old, rebuilt 2003
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 220 ft
- 4 main spans
- Daily traffic
- 152,325
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 over Conrail RR is a prestressed concrete box beam or girders - single or spread carrying I-75 over Conrail RR in Wayne County, Michigan. It was built in 1969 and reconstructed in 2003, so it is 56 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 152,325 vehicles a day, roughly 7% of them trucks, projected to reach 161,725 by 2040. The structure is 220 ft (67.1 m) long and 174 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 over Conrail RR built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.
What condition is I-75 over Conrail RR 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 April 2023.
How much traffic does I-75 over Conrail RR carry?
About 152,325 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is I-75 over Conrail RR?
The structure is 220 ft (67.1 m) long with a longest span of 61 ft (18.5 m) and a deck 174 ft wide.
Who owns I-75 over Conrail RR?
It is owned by the State Highway Agency.