John R over I-75
FairWayne County, Michigan · In Detroit · Structure no. 000000000011781
- Built
- 1970
- 55 years old, rebuilt 1998
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 160 ft
- 2 main spans
- Daily traffic
- 18,000
- 1985 count
- Owner
- State
- State Highway Agency
About this bridge
John R over I-75 is a steel stringer/multi-beam or girder carrying John R over I-75 in Wayne County, Michigan. It was built in 1970 and reconstructed in 1998, so it is 55 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 5 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 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 20,700 by 2005. The structure is 160 ft (48.8 m) long and 84 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was John R over I-75 built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1998.
What condition is John R 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 March 2024.
How much traffic does John R over I-75 carry?
About 18,000 vehicles per day (1985 count), of which roughly 3% are trucks.
How long is John R over I-75?
The structure is 160 ft (48.8 m) long with a longest span of 79 ft (24.1 m) and a deck 84 ft wide.
Who owns John R over I-75?
It is owned by the State Highway Agency.