U.S. Highway 101 over Long Valley Creek
FairMendocino County, California · 01-MEN-101-63.47 · Structure no. 10 0098
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 176 ft
- 3 main spans
- Daily traffic
- 6,700
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Long Valley Creek is a concrete continuous tee beam carrying U.S. Highway 101 over Long Valley Creek in Mendocino County, California. It was built in 1959, so it is 66 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 6,700 vehicles a day, roughly 20% of them trucks, projected to reach 9,590 by 2041. The structure is 176 ft (53.6 m) long and 62 ft wide. If it were closed, the detour would be 64 mi (103 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Long Valley Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is U.S. Highway 101 over Long Valley Creek 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 U.S. Highway 101 over Long Valley Creek carry?
About 6,700 vehicles per day (2009 count), of which roughly 20% are trucks.
How long is U.S. Highway 101 over Long Valley Creek?
The structure is 176 ft (53.6 m) long with a longest span of 70 ft (21.3 m) and a deck 62 ft wide.
Who owns U.S. Highway 101 over Long Valley Creek?
It is owned by the State Highway Agency.