Montgomery Road over S Br Cass River I/C Drn
FairSanilac County, Michigan · Sec 13 Marlette Twp · Structure no. 000000000009641
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 58 ft
- 1 main span
- Daily traffic
- 265
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Montgomery Road over S Br Cass River I/C Drn is a prestressed concrete box beam or girders - multiple carrying Montgomery Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 1977, so it is 48 years old, younger 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.
It carries about 265 vehicles a day, roughly 10% of them trucks, projected to reach 480 by 2036. The structure is 58 ft (17.7 m) long and 33 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Montgomery Road over S Br Cass River I/C Drn built?
It was built in 1977, making it 48 years old in 2025.
What condition is Montgomery Road over S Br Cass River I/C Drn 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 April 2024.
How much traffic does Montgomery Road over S Br Cass River I/C Drn carry?
About 265 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is Montgomery Road over S Br Cass River I/C Drn?
The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.3 m) and a deck 33 ft wide.
Who owns Montgomery Road over S Br Cass River I/C Drn?
It is owned by the County Highway Agency.