Mackinaw Road over N Br of Kawkawlin River
FairBay County, Michigan · 0.25 MI S of River RD · Structure no. 000000000000706
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 98 ft
- 2 main spans
- Daily traffic
- 1,403
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Mackinaw Road over N Br of Kawkawlin River is a prestressed concrete box beam or girders - multiple carrying Mackinaw Road over N Br of Kawkawlin River in Bay County, Michigan. It was built in 1989, so it is 36 years old, younger 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 1,403 vehicles a day, roughly 10% of them trucks, projected to reach 2,245 by 2041. The structure is 98 ft (29.9 m) long and 43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mackinaw Road over N Br of Kawkawlin River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Mackinaw Road over N Br of Kawkawlin River 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 Mackinaw Road over N Br of Kawkawlin River carry?
About 1,403 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is Mackinaw Road over N Br of Kawkawlin River?
The structure is 98 ft (29.9 m) long with a longest span of 46 ft (14 m) and a deck 43 ft wide.
Who owns Mackinaw Road over N Br of Kawkawlin River?
It is owned by the County Highway Agency.