I-75 Bl SB over Gtw RR
GoodOakland County, Michigan · S Lts of Pontiac · Structure no. 000000000007981
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 94 ft
- 1 main span
- Daily traffic
- 37,709
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 Bl SB over Gtw RR is a prestressed concrete box beam or girders - multiple carrying I-75 Bl SB over Gtw RR in Oakland County, Michigan. It was built in 2000, so it is 25 years old, younger 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 37,709 vehicles a day, roughly 1% of them trucks, projected to reach 37,414 by 2018. The structure is 94 ft (28.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Bl SB over Gtw RR built?
It was built in 2000, making it 25 years old in 2025.
What condition is I-75 Bl SB over Gtw 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 July 2023.
How much traffic does I-75 Bl SB over Gtw RR carry?
About 37,709 vehicles per day (2007 count), of which roughly 1% are trucks.
How long is I-75 Bl SB over Gtw RR?
The structure is 94 ft (28.7 m) long with a longest span of 88 ft (26.7 m) and a deck 47 ft wide.
Who owns I-75 Bl SB over Gtw RR?
It is owned by the State Highway Agency.