U.S. Highway 101 over Gibney Drive
FairHumboldt County, California · 01-HUM-101-R22.44 · Structure no. 04 0174
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 5,100
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Gibney Drive is a concrete continuous tee beam carrying U.S. Highway 101 over Gibney Drive in Humboldt County, California. It was built in 1964, so it is 61 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 6 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 5,100 vehicles a day, roughly 16% of them trucks, projected to reach 6,892 by 2041. The structure is 100 ft (30.5 m) long and 63 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Gibney Drive built?
It was built in 1964, making it 61 years old in 2025.
What condition is U.S. Highway 101 over Gibney Drive 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 2024.
How much traffic does U.S. Highway 101 over Gibney Drive carry?
About 5,100 vehicles per day (2014 count), of which roughly 16% are trucks.
How long is U.S. Highway 101 over Gibney Drive?
The structure is 100 ft (30.5 m) long with a longest span of 46 ft (13.9 m) and a deck 63 ft wide.
Who owns U.S. Highway 101 over Gibney Drive?
It is owned by the State Highway Agency.