Cottonwood Road over State Route 70
GoodButte County, California · 03-BUT-070-18.40 · Structure no. 12 0106
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 155 ft
- 4 main spans
- Daily traffic
- 1,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Cottonwood Road over State Route 70 is a concrete continuous tee beam carrying Cottonwood Road over State Route 70 in Butte County, California. It was built in 1963, so it is 62 years old, older 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 6,244 by 2041. The structure is 155 ft (47.2 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cottonwood Road over State Route 70 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Cottonwood Road over State Route 70 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 Cottonwood Road over State Route 70 carry?
About 1,500 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cottonwood Road over State Route 70?
The structure is 155 ft (47.2 m) long with a longest span of 47 ft (14.2 m) and a deck 35 ft wide.
Who owns Cottonwood Road over State Route 70?
It is owned by the State Highway Agency.