Carleton Rockwood over Swan Creek
GoodMonroe County, Michigan · 1.3 MI E of Grafton RD · Structure no. 000000000007295
- Built
- 1964
- 61 years old, rebuilt 2010
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 105 ft
- 3 main spans
- Daily traffic
- 3,630
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Carleton Rockwood over Swan Creek is a prestressed concrete box beam or girders - multiple carrying Carleton Rockwood over Swan Creek in Monroe County, Michigan. It was built in 1964 and reconstructed in 2010, so it is 61 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 3,630 vehicles a day, roughly 10% of them trucks, projected to reach 4,173 by 2037. The structure is 105 ft (32 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carleton Rockwood over Swan Creek built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2010.
What condition is Carleton Rockwood over Swan Creek 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 2024.
How much traffic does Carleton Rockwood over Swan Creek carry?
About 3,630 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is Carleton Rockwood over Swan Creek?
The structure is 105 ft (32 m) long with a longest span of 33 ft (10.2 m) and a deck 38 ft wide.
Who owns Carleton Rockwood over Swan Creek?
It is owned by the County Highway Agency.