Carleton RD over South Branch Raisin Rivr
GoodLenawee County, Michigan · 0.5 MI East of Whig HWY · Structure no. 000000000005564
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 171
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Carleton RD over South Branch Raisin Rivr is a prestressed concrete box beam or girders - multiple carrying Carleton RD over South Branch Raisin Rivr in Lenawee County, Michigan. It was built in 1974, so it is 51 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.
It carries about 171 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2031. The structure is 70 ft (21.3 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carleton RD over South Branch Raisin Rivr built?
It was built in 1974, making it 51 years old in 2025.
What condition is Carleton RD over South Branch Raisin Rivr 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 June 2023.
How much traffic does Carleton RD over South Branch Raisin Rivr carry?
About 171 vehicles per day (2012 count), of which roughly 2% are trucks.
How long is Carleton RD over South Branch Raisin Rivr?
The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.
Who owns Carleton RD over South Branch Raisin Rivr?
It is owned by the County Highway Agency.