High Bridge R FH31 over Big Manistee River
GoodManistee County, Michigan · 3.0 Miles S of Brethern · Structure no. 000000000006451
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 396 ft
- 4 main spans
- Daily traffic
- 2,015
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
High Bridge R FH31 over Big Manistee River is a prestressed concrete continuous stringer/multi-beam or girder carrying High Bridge R FH31 over Big Manistee River in Manistee County, Michigan. It was built in 1993, so it is 32 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 2,015 vehicles a day, roughly 10% of them trucks, projected to reach 2,715 by 2039. The structure is 396 ft (120.8 m) long and 41 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was High Bridge R FH31 over Big Manistee River built?
It was built in 1993, making it 32 years old in 2025.
What condition is High Bridge R FH31 over Big Manistee 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 May 2024.
How much traffic does High Bridge R FH31 over Big Manistee River carry?
About 2,015 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is High Bridge R FH31 over Big Manistee River?
The structure is 396 ft (120.8 m) long with a longest span of 97 ft (29.5 m) and a deck 41 ft wide.
Who owns High Bridge R FH31 over Big Manistee River?
It is owned by the County Highway Agency.