Usfs RTE 3108 over Little Brevoort River
FairMackinac County, Michigan · 1.7 MI N US-2 · Structure no. 091005000001042
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 175
- 1998 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Usfs RTE 3108 over Little Brevoort River is a steel culvert carrying Usfs RTE 3108 over Little Brevoort River in Mackinac County, Michigan. It was built in 1979, so it is 46 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 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 175 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2018. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 2.5 mi (4 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Usfs RTE 3108 over Little Brevoort River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Usfs RTE 3108 over Little Brevoort 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 October 2024.
How much traffic does Usfs RTE 3108 over Little Brevoort River carry?
About 175 vehicles per day (1998 count), of which roughly 10% are trucks.
How long is Usfs RTE 3108 over Little Brevoort River?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Usfs RTE 3108 over Little Brevoort River?
It is owned by the U.S. Forest Service.