Sandy Prairie Road over Van Duzen River Overflow
GoodHumboldt County, California · 01-HUM-000-0.00 · Structure no. 04 0287Y
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected July 2021
- Type
- Slab
- Concrete Continuous
- Length
- 79 ft
- 3 main spans
- Daily traffic
- 30
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
Sandy Prairie Road over Van Duzen River Overflow is a concrete continuous slab carrying Sandy Prairie Road over Van Duzen River Overflow in Humboldt County, California. It was built in 2009, so it is 16 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 79 ft (24 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sandy Prairie Road over Van Duzen River Overflow built?
It was built in 2009, making it 16 years old in 2025.
What condition is Sandy Prairie Road over Van Duzen River Overflow 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 July 2021.
How much traffic does Sandy Prairie Road over Van Duzen River Overflow carry?
About 30 vehicles per day (2012 count), of which roughly 10% are trucks.
How long is Sandy Prairie Road over Van Duzen River Overflow?
The structure is 79 ft (24 m) long with a longest span of 31 ft (9.6 m) and a deck 34 ft wide.
Who owns Sandy Prairie Road over Van Duzen River Overflow?
It is owned by the State Highway Agency.