M-81 over Cheboyganing Creek
FairSaginaw County, Michigan · 0.2 MI W of M-15 · Structure no. 000000000009107
- Built
- 1939
- 86 years old, rebuilt 1992
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 8,033
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-81 over Cheboyganing Creek is a prestressed concrete box beam or girders - multiple carrying M-81 over Cheboyganing Creek in Saginaw County, Michigan. It was built in 1939 and reconstructed in 1992, so it is 86 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 8,033 vehicles a day, roughly 8% of them trucks, projected to reach 8,975 by 2018. The structure is 50 ft (15.2 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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-81 over Cheboyganing Creek built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1992.
What condition is M-81 over Cheboyganing 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 August 2023.
How much traffic does M-81 over Cheboyganing Creek carry?
About 8,033 vehicles per day (2007 count), of which roughly 8% are trucks.
How long is M-81 over Cheboyganing Creek?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.
Who owns M-81 over Cheboyganing Creek?
It is owned by the State Highway Agency.