State Route 89 over Turner Canyon
GoodSierra County, California · 03-SIE-089-18.80 · Structure no. 13 0021
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 1,400
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 89 over Turner Canyon is a concrete continuous culvert carrying State Route 89 over Turner Canyon in Sierra County, California. It was built in 1975, so it is 50 years old, younger than the California average of 54.8 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 1,400 vehicles a day, roughly 13% of them trucks, projected to reach 2,244 by 2046. The structure is 26 ft (7.9 m) long and 34 ft wide. If it were closed, the detour would be 34.2 mi (55 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 89 over Turner Canyon built?
It was built in 1975, making it 50 years old in 2025.
What condition is State Route 89 over Turner Canyon 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 July 2024.
How much traffic does State Route 89 over Turner Canyon carry?
About 1,400 vehicles per day (2015 count), of which roughly 13% are trucks.
How long is State Route 89 over Turner Canyon?
The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.
Who owns State Route 89 over Turner Canyon?
It is owned by the State Highway Agency.