M-25 over Schram Drain
FairHuron County, Michigan · 5.6 MI SW of Port Austin · Structure no. 000000000003451
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 1,500
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
M-25 over Schram Drain is a prestressed concrete box beam or girders - multiple carrying M-25 over Schram Drain in Huron County, Michigan. It was built in 1975, so it is 50 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 1,500 vehicles a day, roughly 4% of them trucks, projected to reach 2,025 by 2018. The structure is 75 ft (22.8 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-25 over Schram Drain built?
It was built in 1975, making it 50 years old in 2025.
What condition is M-25 over Schram Drain 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 July 2023.
How much traffic does M-25 over Schram Drain carry?
About 1,500 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is M-25 over Schram Drain?
The structure is 75 ft (22.8 m) long with a longest span of 75 ft (22.8 m) and a deck 52 ft wide.
Who owns M-25 over Schram Drain?
It is owned by the State Highway Agency.