12 Mile RD (west) over Rouge River
GoodPosted for loadOakland County, Michigan · Bet Telegraph and Lahser · Structure no. 000000000008169
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 115 ft
- 3 main spans
- Daily traffic
- 19,870
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
12 Mile RD (west) over Rouge River is a concrete continuous slab carrying 12 Mile RD (west) over Rouge River in Oakland County, Michigan. It was built in 1972, so it is 53 years old, older 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. Its operating status is: posted for load restriction.
It carries about 19,870 vehicles a day, roughly 3% of them trucks, projected to reach 26,800 by 2032. The structure is 115 ft (35.1 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 12 Mile RD (west) over Rouge River built?
It was built in 1972, making it 53 years old in 2025.
What condition is 12 Mile RD (west) over Rouge 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 July 2024.
How much traffic does 12 Mile RD (west) over Rouge River carry?
About 19,870 vehicles per day (2012 count), of which roughly 3% are trucks.
How long is 12 Mile RD (west) over Rouge River?
The structure is 115 ft (35.1 m) long with a longest span of 44 ft (13.4 m) and a deck 74 ft wide.
Who owns 12 Mile RD (west) over Rouge River?
It is owned by the County Highway Agency.