West Road over U.S. Highway 101
FairMendocino County, California · 01-MEN-101-R32.63 · Structure no. 10 0270
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 167 ft
- 1 main span
- Daily traffic
- 4,725
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
West Road over U.S. Highway 101 is a prestressed concrete box beam or girders - multiple carrying West Road over U.S. Highway 101 in Mendocino County, California. It was built in 1990, so it is 35 years old, younger 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 4,725 vehicles a day, roughly 5% of them trucks, projected to reach 7,968 by 2045. The structure is 167 ft (50.9 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was West Road over U.S. Highway 101 built?
It was built in 1990, making it 35 years old in 2025.
What condition is West Road over U.S. Highway 101 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 2023.
How much traffic does West Road over U.S. Highway 101 carry?
About 4,725 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is West Road over U.S. Highway 101?
The structure is 167 ft (50.9 m) long with a longest span of 164 ft (50.1 m) and a deck 48 ft wide.
Who owns West Road over U.S. Highway 101?
It is owned by the State Highway Agency.