Route 366 over Big Cedar River
GoodMenominee County, Michigan · 10 MI E of Talbot · Structure no. 000000000006817
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 83 ft
- 1 main span
- Daily traffic
- 57
- 1998 count
- Owner
- County
- County Highway Agency
About this bridge
Route 366 over Big Cedar River is a prestressed concrete box beam or girders - multiple carrying Route 366 over Big Cedar River in Menominee County, Michigan. It was built in 1974, so it is 51 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 57 vehicles a day, projected to reach 130 by 2019. The structure is 83 ft (25.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 366 over Big Cedar River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Route 366 over Big Cedar River 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 Route 366 over Big Cedar River carry?
About 57 vehicles per day (1998 count).
How long is Route 366 over Big Cedar River?
The structure is 83 ft (25.3 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.
Who owns Route 366 over Big Cedar River?
It is owned by the County Highway Agency.