Rosebush Road over North Branch Salt River
PoorIsabella County, Michigan · 0.4 MI W of Loomis Road · Structure no. 000000000013878
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected May 2024
- Type
- Culvert
- Steel
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 798
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Rosebush Road over North Branch Salt River is a steel culvert carrying Rosebush Road over North Branch Salt River in Isabella County, Michigan. It was built in 1966, so it is 59 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.
It carries about 798 vehicles a day, roughly 2% of them trucks, projected to reach 1,074 by 2033. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rosebush Road over North Branch Salt River built?
It was built in 1966, making it 59 years old in 2025.
What condition is Rosebush Road over North Branch 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 May 2024.
How much traffic does Rosebush Road over North Branch Salt River carry?
About 798 vehicles per day (2013 count), of which roughly 2% are trucks.
How long is Rosebush Road over North Branch Salt River?
The structure is 57 ft (17.4 m) long with a longest span of 18 ft (5.5 m).
Who owns Rosebush Road over North Branch Salt River?
It is owned by the County Highway Agency.