State Route 70 over Oak Knob Draw
GoodButte County, California · 03-BUT-070-8.34 · Structure no. 12 0208
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 17,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 70 over Oak Knob Draw is a concrete culvert carrying State Route 70 over Oak Knob Draw in Butte County, California. It was built in 2022, so it is 3 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 17,000 vehicles a day, roughly 12% of them trucks, projected to reach 22,100 by 2042. The structure is 21 ft (6.4 m) long and 82 ft wide. If it were closed, the detour would be 8.1 mi (13 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 70 over Oak Knob Draw built?
It was built in 2022, making it 3 years old in 2025.
What condition is State Route 70 over Oak Knob Draw 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 May 2024.
How much traffic does State Route 70 over Oak Knob Draw carry?
About 17,000 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is State Route 70 over Oak Knob Draw?
The structure is 21 ft (6.4 m) long with a longest span of 11 ft (3.3 m) and a deck 82 ft wide.
Who owns State Route 70 over Oak Knob Draw?
It is owned by the State Highway Agency.