East Lake RD FH85 over Carp River
GoodMackinac County, Michigan · 5.0 MI N of Moran · Structure no. 000000000005988
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 75
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
East Lake RD FH85 over Carp River is a prestressed concrete box beam or girders - multiple carrying East Lake RD FH85 over Carp River in Mackinac County, Michigan. It was built in 1986, so it is 39 years old, younger 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 75 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2035. The structure is 70 ft (21.2 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was East Lake RD FH85 over Carp River built?
It was built in 1986, making it 39 years old in 2025.
What condition is East Lake RD FH85 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 East Lake RD FH85 over Carp River carry?
About 75 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is East Lake RD FH85 over Carp River?
The structure is 70 ft (21.2 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.
Who owns East Lake RD FH85 over Carp River?
It is owned by the County Highway Agency.