Rosebush Road over North Br Salt River
PoorPosted for loadIsabella County, Michigan · 0.1 M E NW Cor Sec 14 Den · Structure no. 000000000004288
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 85 ft
- 2 main spans
- Daily traffic
- 1,740
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Rosebush Road over North Br Salt River is a prestressed concrete box beam or girders - multiple carrying Rosebush Road over North Br Salt River in Isabella County, Michigan. It was built in 1971, so it is 54 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 1,740 vehicles a day, roughly 4% of them trucks, projected to reach 2,123 by 2035. The structure is 85 ft (25.9 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rosebush Road over North Br Salt River built?
It was built in 1971, making it 54 years old in 2025.
What condition is Rosebush Road over North Br Salt River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Rosebush Road over North Br Salt River carry?
About 1,740 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Rosebush Road over North Br Salt River?
The structure is 85 ft (25.9 m) long with a longest span of 41 ft (12.5 m) and a deck 33 ft wide.
Who owns Rosebush Road over North Br Salt River?
It is owned by the County Highway Agency.