Isabella Road over Little Salt River
GoodIsabella County, Michigan · 0.6 M S NE Cor Sec 35 T13 · Structure no. 000000000004303
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 686
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Isabella Road over Little Salt River is a prestressed concrete box beam or girders - multiple carrying Isabella Road over Little Salt River in Isabella 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 686 vehicles a day, roughly 5% of them trucks, projected to reach 838 by 2038. The structure is 55 ft (16.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Isabella Road over Little Salt River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Isabella Road over Little Salt 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 Isabella Road over Little Salt River carry?
About 686 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Isabella Road over Little Salt River?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.4 m) and a deck 34 ft wide.
Who owns Isabella Road over Little Salt River?
It is owned by the County Highway Agency.