Herrick Ave over US Highway 101
GoodHumboldt County, California · 01-HUM-101-74.77 · Structure no. 04 0280
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 173 ft
- 2 main spans
- Daily traffic
- 5,000
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Herrick Ave over US Highway 101 is a concrete continuous box beam or girders - multiple carrying Herrick Ave over US Highway 101 in Humboldt County, California. It was built in 1984, so it is 41 years old, younger 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 5,000 vehicles a day, roughly 10% of them trucks, projected to reach 7,735 by 2045. The structure is 173 ft (52.7 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Herrick Ave over US Highway 101 built?
It was built in 1984, making it 41 years old in 2025.
What condition is Herrick Ave over US Highway 101 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 September 2023.
How much traffic does Herrick Ave over US Highway 101 carry?
About 5,000 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Herrick Ave over US Highway 101?
The structure is 173 ft (52.7 m) long with a longest span of 87 ft (26.4 m) and a deck 44 ft wide.
Who owns Herrick Ave over US Highway 101?
It is owned by the State Highway Agency.