12 Mile Road over ST Joseph River
GoodCalhoun County, Michigan · Burlington · Structure no. 000000000001385
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 193
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
12 Mile Road over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying 12 Mile Road over ST Joseph River in Calhoun 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 193 vehicles a day, projected to reach 360 by 2024. The structure is 92 ft (27.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 12 Mile Road over ST Joseph River built?
It was built in 2001, making it 24 years old in 2025.
What condition is 12 Mile Road over ST Joseph 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 September 2024.
How much traffic does 12 Mile Road over ST Joseph River carry?
About 193 vehicles per day (1994 count).
How long is 12 Mile Road over ST Joseph River?
The structure is 92 ft (27.9 m) long with a longest span of 92 ft (27.9 m) and a deck 32 ft wide.
Who owns 12 Mile Road over ST Joseph River?
It is owned by the County Highway Agency.