U.S. Highway 101 over Russian Ncra/Nwp Geysers
FairMendocino County, California · 01-MEN-101-R0.48 · Structure no. 10 0273
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 703 ft
- 3 main spans
- Daily traffic
- 13,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Russian Ncra/Nwp Geysers is a prestressed concrete continuous box beam or girders - single or spread carrying U.S. Highway 101 over Russian Ncra/Nwp Geysers in Mendocino County, California. It was built in 1989, so it is 36 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 13,300 vehicles a day, roughly 11% of them trucks, projected to reach 22,546 by 2043. The structure is 703 ft (214.3 m) long and 80 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Russian Ncra/Nwp Geysers built?
It was built in 1989, making it 36 years old in 2025.
What condition is U.S. Highway 101 over Russian Ncra/Nwp Geysers 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 U.S. Highway 101 over Russian Ncra/Nwp Geysers carry?
About 13,300 vehicles per day (2009 count), of which roughly 11% are trucks.
How long is U.S. Highway 101 over Russian Ncra/Nwp Geysers?
The structure is 703 ft (214.3 m) long with a longest span of 260 ft (79.3 m) and a deck 80 ft wide.
Who owns U.S. Highway 101 over Russian Ncra/Nwp Geysers?
It is owned by the State Highway Agency.