US Highway 101 NB over Gibson Creek
FairMendocino County, California · 01-MEN-101-R24.32-UKI · Structure no. 10 0192R
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 10,450
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 NB over Gibson Creek is a concrete slab carrying US Highway 101 NB over Gibson Creek in Mendocino 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 10,450 vehicles a day, roughly 11% of them trucks, projected to reach 13,405 by 2042. The structure is 28 ft (8.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US Highway 101 NB over Gibson Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is US Highway 101 NB over Gibson Creek 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 October 2024.
How much traffic does US Highway 101 NB over Gibson Creek carry?
About 10,450 vehicles per day (2009 count), of which roughly 11% are trucks.
How long is US Highway 101 NB over Gibson Creek?
The structure is 28 ft (8.6 m) long with a longest span of 27 ft (8.3 m) and a deck 40 ft wide.
Who owns US Highway 101 NB over Gibson Creek?
It is owned by the State Highway Agency.