Mushroom Road over S Br Cass River I/C Drn
GoodSanilac County, Michigan · Sec 1-12 Lamotte Twp · Structure no. 000000000009633
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 117 ft
- 2 main spans
- Daily traffic
- 155
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Mushroom Road over S Br Cass River I/C Drn is a prestressed concrete box beam or girders - multiple carrying Mushroom Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 2001, so it is 24 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 155 vehicles a day, roughly 10% of them trucks, projected to reach 280 by 2030. The structure is 117 ft (35.7 m) long and 31 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mushroom Road over S Br Cass River I/C Drn built?
It was built in 2001, making it 24 years old in 2025.
What condition is Mushroom Road over S Br Cass River I/C Drn 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 May 2024.
How much traffic does Mushroom Road over S Br Cass River I/C Drn carry?
About 155 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Mushroom Road over S Br Cass River I/C Drn?
The structure is 117 ft (35.7 m) long with a longest span of 58 ft (17.8 m) and a deck 31 ft wide.
Who owns Mushroom Road over S Br Cass River I/C Drn?
It is owned by the County Highway Agency.