US-12 over Swan Creek
GoodBranch County, Michigan · 2.7 MI NE of Bronson · Structure no. 000000000001065
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 5,850
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US-12 over Swan Creek is a prestressed concrete box beam or girders - single or spread carrying US-12 over Swan Creek in Branch County, Michigan. It was built in 2016, so it is 9 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 5,850 vehicles a day, roughly 7% of them trucks, projected to reach 6,475 by 2036. The structure is 54 ft (16.5 m) long and 47 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 US-12 over Swan Creek built?
It was built in 2016, making it 9 years old in 2025.
What condition is US-12 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 May 2023.
How much traffic does US-12 over Swan Creek carry?
About 5,850 vehicles per day (2016 count), of which roughly 7% are trucks.
How long is US-12 over Swan Creek?
The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.6 m) and a deck 47 ft wide.
Who owns US-12 over Swan Creek?
It is owned by the State Highway Agency.