Black River Road over Black River
GoodCheboygan County, Michigan · Bet Sec 11&12 T33N R1E · Structure no. 000000000001534
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 500
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Black River Road over Black River is a prestressed concrete box beam or girders - multiple carrying Black River Road over Black River in Cheboygan County, Michigan. It was built in 1978, so it is 47 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 500 vehicles a day, projected to reach 900 by 2025. The structure is 66 ft (20.1 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 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 Black River Road over Black River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Black River Road over Black 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 July 2023.
How much traffic does Black River Road over Black River carry?
About 500 vehicles per day (2005 count).
How long is Black River Road over Black River?
The structure is 66 ft (20.1 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.
Who owns Black River Road over Black River?
It is owned by the County Highway Agency.