M-25 over Big Creek
FairSanilac County, Michigan · 7.6 MI N of M46 · Structure no. 000000000009493
- Built
- 1934
- 91 years old, rebuilt 1992
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 1,173
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-25 over Big Creek is a prestressed concrete box beam or girders - multiple carrying M-25 over Big Creek in Sanilac County, Michigan. It was built in 1934 and reconstructed in 1992, so it is 91 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 6 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 1,173 vehicles a day, roughly 9% of them trucks, projected to reach 2,109 by 2018. The structure is 45 ft (13.7 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 M-25 over Big Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1992.
What condition is M-25 over Big Creek 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 May 2024.
How much traffic does M-25 over Big Creek carry?
About 1,173 vehicles per day (2007 count), of which roughly 9% are trucks.
How long is M-25 over Big Creek?
The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 47 ft wide.
Who owns M-25 over Big Creek?
It is owned by the State Highway Agency.