I-94 Conn SB Grati over 13 Mile RD
GoodMacomb County, Michigan · In Roseville (13 MI Rd) · Structure no. 000000000006072
- Built
- 1964
- 61 years old, rebuilt 2003
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 17,021
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-94 Conn SB Grati over 13 Mile RD is a steel stringer/multi-beam or girder carrying I-94 Conn SB Grati over 13 Mile RD in Macomb County, Michigan. It was built in 1964 and reconstructed in 2003, so it is 61 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 17,021 vehicles a day, roughly 4% of them trucks, projected to reach 18,074 by 2018. The structure is 134 ft (40.7 m) long and 46 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-94 Conn SB Grati over 13 Mile RD built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2003.
What condition is I-94 Conn SB Grati over 13 Mile RD 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 June 2023.
How much traffic does I-94 Conn SB Grati over 13 Mile RD carry?
About 17,021 vehicles per day (2007 count), of which roughly 4% are trucks.
How long is I-94 Conn SB Grati over 13 Mile RD?
The structure is 134 ft (40.7 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.
Who owns I-94 Conn SB Grati over 13 Mile RD?
It is owned by the State Highway Agency.