Stoney Corner Road over Clam River
PoorMissaukee County, Michigan · Section 22/27 T21N R6W · Structure no. 000000000007035
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 600
- 2007 count
- Owner
- County
- County Highway Agency
About this bridge
Stoney Corner Road over Clam River is a prestressed concrete box beam or girders - multiple carrying Stoney Corner Road over Clam River in Missaukee County, Michigan. It was built in 1960, so it is 65 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,100 by 2027. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stoney Corner Road over Clam River built?
It was built in 1960, making it 65 years old in 2025.
What condition is Stoney Corner Road over Clam River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does Stoney Corner Road over Clam River carry?
About 600 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is Stoney Corner Road over Clam River?
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 Stoney Corner Road over Clam River?
It is owned by the County Highway Agency.