U.S. Highway 101 over Sfk Eel River Mattole RD
GoodHumboldt County, California · 01-HUM-101-35.75 · Structure no. 04 0076
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 890 ft
- 3 main spans
- Daily traffic
- 6,190
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Sfk Eel River Mattole RD is a steel continuous stringer/multi-beam or girder carrying U.S. Highway 101 over Sfk Eel River Mattole RD in Humboldt County, California. It was built in 1958, so it is 67 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 6,190 vehicles a day, roughly 17% of them trucks, projected to reach 14,175 by 2041. The structure is 890 ft (271.4 m) long and 61 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 8 Very Good | No problems noted. |
| 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 Sfk Eel River Mattole RD built?
It was built in 1958, making it 67 years old in 2025.
What condition is U.S. Highway 101 over Sfk Eel River Mattole RD 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 Sfk Eel River Mattole RD carry?
About 6,190 vehicles per day (2010 count), of which roughly 17% are trucks.
How long is U.S. Highway 101 over Sfk Eel River Mattole RD?
The structure is 890 ft (271.4 m) long with a longest span of 275 ft (83.8 m) and a deck 61 ft wide.
Who owns U.S. Highway 101 over Sfk Eel River Mattole RD?
It is owned by the State Highway Agency.