State Route 1 over Little River
FairMendocino County, California · 01-MEN-001-48.05 · Structure no. 10 0178
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 69 ft
- 3 main spans
- Daily traffic
- 4,550
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Little River is a concrete continuous slab carrying State Route 1 over Little River in Mendocino County, California. It was built in 1955, so it is 70 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 6 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 4,550 vehicles a day, roughly 8% of them trucks, projected to reach 7,821 by 2042. The structure is 69 ft (21 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Little River built?
It was built in 1955, making it 70 years old in 2025.
What condition is State Route 1 over Little 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 August 2024.
How much traffic does State Route 1 over Little River carry?
About 4,550 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is State Route 1 over Little River?
The structure is 69 ft (21 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.
Who owns State Route 1 over Little River?
It is owned by the State Highway Agency.