U.S. Highway 101 over Eel River & Ncrra
GoodHumboldt County, California · 01-HUM-101-R48.69 · Structure no. 04 0014
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,020 ft
- 5 main spans
- Daily traffic
- 5,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Eel River & Ncrra is a steel continuous stringer/multi-beam or girder carrying U.S. Highway 101 over Eel River & Ncrra in Humboldt County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,900 vehicles a day, projected to reach 7,750 by 2045. The structure is 1,020 ft (310.9 m) long and 62 ft wide. If it were closed, the detour would be 42.3 mi (68 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Eel River & Ncrra built?
It was built in 1965, making it 60 years old in 2025.
What condition is U.S. Highway 101 over Eel River & Ncrra in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does U.S. Highway 101 over Eel River & Ncrra carry?
About 5,900 vehicles per day (2009 count).
How long is U.S. Highway 101 over Eel River & Ncrra?
The structure is 1,020 ft (310.9 m) long with a longest span of 280 ft (85.3 m) and a deck 62 ft wide.
Who owns U.S. Highway 101 over Eel River & Ncrra?
It is owned by the State Highway Agency.