US-12 over M-60
FairCass County, Michigan · 0.3 MI NE of Berrien Col · Structure no. 000000000001439
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 200 ft
- 4 main spans
- Daily traffic
- 9,010
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US-12 over M-60 is a steel stringer/multi-beam or girder carrying US-12 over M-60 in Cass County, Michigan. It was built in 1960, so it is 65 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,010 vehicles a day, roughly 8% of them trucks, projected to reach 10,362 by 2036. The structure is 200 ft (61 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-12 over M-60 built?
It was built in 1960, making it 65 years old in 2025.
What condition is US-12 over M-60 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does US-12 over M-60 carry?
About 9,010 vehicles per day (2016 count), of which roughly 8% are trucks.
How long is US-12 over M-60?
The structure is 200 ft (61 m) long with a longest span of 64 ft (19.4 m) and a deck 72 ft wide.
Who owns US-12 over M-60?
It is owned by the State Highway Agency.