Coates Highway over Big Bear Creek
FairManistee County, Michigan · 2.0 Miles N W of Brether · Structure no. 000000000006449
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 900
- 1993 count
- Owner
- County
- County Highway Agency
About this bridge
Coates Highway over Big Bear Creek is a prestressed concrete box beam or girders - multiple carrying Coates Highway over Big Bear Creek in Manistee County, Michigan. It was built in 1958, so it is 67 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 6 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 900 vehicles a day, roughly 10% of them trucks, projected to reach 1,100 by 2018. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Coates Highway over Big Bear Creek built?
It was built in 1958, making it 67 years old in 2025.
What condition is Coates Highway over Big Bear Creek 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 May 2024.
How much traffic does Coates Highway over Big Bear Creek carry?
About 900 vehicles per day (1993 count), of which roughly 10% are trucks.
How long is Coates Highway over Big Bear Creek?
The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.
Who owns Coates Highway over Big Bear Creek?
It is owned by the County Highway Agency.