Hookton Road over US Highway 101
FairHumboldt County, California · 01-HUM-101-68.21 · Structure no. 04 0166
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 165 ft
- 2 main spans
- Daily traffic
- 950
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Hookton Road over US Highway 101 is a prestressed concrete stringer/multi-beam or girder carrying Hookton Road over US Highway 101 in Humboldt County, California. It was built in 1962, so it is 63 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 950 vehicles a day, roughly 10% of them trucks, projected to reach 1,963 by 2041. The structure is 165 ft (50.3 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hookton Road over US Highway 101 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Hookton Road over US Highway 101 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 July 2023.
How much traffic does Hookton Road over US Highway 101 carry?
About 950 vehicles per day (1998 count), of which roughly 10% are trucks.
How long is Hookton Road over US Highway 101?
The structure is 165 ft (50.3 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.
Who owns Hookton Road over US Highway 101?
It is owned by the State Highway Agency.