Black River Road over Upper Black River
FairPosted for loadCheboygan County, Michigan · In Sec 13 T34N R1E · Structure no. 000000000001535
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 104 ft
- 2 main spans
- Daily traffic
- 860
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Black River Road over Upper Black River is a prestressed concrete box beam or girders - multiple carrying Black River Road over Upper Black River in Cheboygan County, Michigan. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 860 vehicles a day, projected to reach 1,600 by 2025. The structure is 104 ft (31.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Upper Black River built?
It was built in 1962, making it 63 years old in 2025.
What condition is Black River Road over Upper Black River 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 July 2023.
How much traffic does Black River Road over Upper Black River carry?
About 860 vehicles per day (2005 count).
How long is Black River Road over Upper Black River?
The structure is 104 ft (31.7 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns Black River Road over Upper Black River?
It is owned by the County Highway Agency.