State Route 271 over Hillside Above River
FairMendocino County, California · 01-MEN-271-18.39 · Structure no. 10 0100
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 91 ft
- 6 main spans
- Daily traffic
- 95
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 271 over Hillside Above River is a concrete continuous slab carrying State Route 271 over Hillside Above River in Mendocino County, California. It was built in 1947, so it is 78 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 95 vehicles a day, roughly 12% of them trucks, projected to reach 150 by 2041. The structure is 91 ft (27.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 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 State Route 271 over Hillside Above River built?
It was built in 1947, making it 78 years old in 2025.
What condition is State Route 271 over Hillside Above River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does State Route 271 over Hillside Above River carry?
About 95 vehicles per day (2009 count), of which roughly 12% are trucks.
How long is State Route 271 over Hillside Above River?
The structure is 91 ft (27.7 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.
Who owns State Route 271 over Hillside Above River?
It is owned by the State Highway Agency.