Mackinac Trl FH41 over Carp River
GoodMackinac County, Michigan · 2.5 Miles S of M-134 · Structure no. 000000000005985
- Built
- 1927
- 98 years old, rebuilt 2010
- Condition
- Good
- inspected October 2023
- Type
- Arch - Deck
- Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 200
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Mackinac Trl FH41 over Carp River is a concrete arch - deck carrying Mackinac Trl FH41 over Carp River in Mackinac County, Michigan. It was built in 1927 and reconstructed in 2010, so it is 98 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2035. The structure is 71 ft (21.6 m) long and 29 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mackinac Trl FH41 over Carp River built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2010.
What condition is Mackinac Trl FH41 over Carp River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Mackinac Trl FH41 over Carp River carry?
About 200 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Mackinac Trl FH41 over Carp River?
The structure is 71 ft (21.6 m) long with a longest span of 61 ft (18.6 m) and a deck 29 ft wide.
Who owns Mackinac Trl FH41 over Carp River?
It is owned by the County Highway Agency.