Grizzly Bluff Road over Williams Creek
GoodHumboldt County, California · SE of Ferndale · Structure no. 04C0258
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 800
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Grizzly Bluff Road over Williams Creek is a prestressed concrete slab carrying Grizzly Bluff Road over Williams Creek in Humboldt County, California. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 800 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2044. The structure is 62 ft (19 m) long and 35 ft wide. If it were closed, the detour would be 7.5 mi (12 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grizzly Bluff Road over Williams Creek built?
It was built in 2019, making it 6 years old in 2025.
What condition is Grizzly Bluff Road over Williams Creek 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 August 2024.
How much traffic does Grizzly Bluff Road over Williams Creek carry?
About 800 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Grizzly Bluff Road over Williams Creek?
The structure is 62 ft (19 m) long with a longest span of 57 ft (17.4 m) and a deck 35 ft wide.
Who owns Grizzly Bluff Road over Williams Creek?
It is owned by the County Highway Agency.