US Highway 101 SB over King Salmon Ave
FairHumboldt County, California · 01-HUM-101-72.88 · Structure no. 04 0067L
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 129 ft
- 3 main spans
- Daily traffic
- 16,200
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over King Salmon Ave is a concrete continuous tee beam carrying US Highway 101 SB over King Salmon Ave in Humboldt County, California. It was built in 1963, so it is 62 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 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 16,200 vehicles a day, roughly 9% of them trucks, projected to reach 17,992 by 2041. The structure is 129 ft (39.4 m) long and 40 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over King Salmon Ave built?
It was built in 1963, making it 62 years old in 2025.
What condition is US Highway 101 SB over King Salmon Ave 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 September 2023.
How much traffic does US Highway 101 SB over King Salmon Ave carry?
About 16,200 vehicles per day (2010 count), of which roughly 9% are trucks.
How long is US Highway 101 SB over King Salmon Ave?
The structure is 129 ft (39.4 m) long with a longest span of 62 ft (19 m) and a deck 40 ft wide.
Who owns US Highway 101 SB over King Salmon Ave?
It is owned by the State Highway Agency.