SR 175 WB over Hillside
GoodMendocino County, California · 01-MEN-175-8.50 · Structure no. 10 0275
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected May 2021
- Type
- Slab
- Concrete Continuous
- Length
- 189 ft
- 11 main spans
- Daily traffic
- 4,800
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
SR 175 WB over Hillside is a concrete continuous slab carrying SR 175 WB over Hillside in Mendocino County, California. It was built in 1986, so it is 39 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 4,800 vehicles a day, roughly 7% of them trucks, projected to reach 9,049 by 2041. The structure is 189 ft (57.6 m) long and 8 ft wide. If it were closed, the detour would be 62.8 mi (101 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 175 WB over Hillside built?
It was built in 1986, making it 39 years old in 2025.
What condition is SR 175 WB over Hillside 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 2021.
How much traffic does SR 175 WB over Hillside carry?
About 4,800 vehicles per day (2009 count), of which roughly 7% are trucks.
How long is SR 175 WB over Hillside?
The structure is 189 ft (57.6 m) long with a longest span of 18 ft (5.5 m) and a deck 8 ft wide.
Who owns SR 175 WB over Hillside?
It is owned by the State Highway Agency.