NB Joslyn to I-75 over Gtw RR
GoodOakland County, Michigan · 5.7 MI NW of M-59 · Structure no. 000000000007998
- Built
- 1981
- 44 years old, rebuilt 2005
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 5,075
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
NB Joslyn to I-75 over Gtw RR is a prestressed concrete stringer/multi-beam or girder carrying NB Joslyn to I-75 over Gtw RR in Oakland County, Michigan. It was built in 1981 and reconstructed in 2005, so it is 44 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 5,075 vehicles a day, roughly 11% of them trucks, projected to reach 5,375 by 2039. The structure is 144 ft (43.9 m) long and 30 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 NB Joslyn to I-75 over Gtw RR built?
It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2005.
What condition is NB Joslyn to I-75 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 March 2023.
How much traffic does NB Joslyn to I-75 over Gtw RR carry?
About 5,075 vehicles per day (2019 count), of which roughly 11% are trucks.
How long is NB Joslyn to I-75 over Gtw RR?
The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.
Who owns NB Joslyn to I-75 over Gtw RR?
It is owned by the State Highway Agency.