State Route 70 over Campbell Creek Overflow
GoodButte County, California · 03-BUT-070-19.81 · Structure no. 12 0145
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 74 ft
- 3 main spans
- Daily traffic
- 20,700
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 70 over Campbell Creek Overflow is a concrete continuous slab carrying State Route 70 over Campbell Creek Overflow 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 20,700 vehicles a day, roughly 15% of them trucks, projected to reach 36,010 by 2041. The structure is 74 ft (22.5 m) long and 88 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 70 over Campbell Creek Overflow built?
It was built in 1963, making it 62 years old in 2025.
What condition is State Route 70 over Campbell Creek 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 May 2024.
How much traffic does State Route 70 over Campbell Creek Overflow carry?
About 20,700 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is State Route 70 over Campbell Creek Overflow?
The structure is 74 ft (22.5 m) long with a longest span of 25 ft (7.5 m) and a deck 88 ft wide.
Who owns State Route 70 over Campbell Creek Overflow?
It is owned by the State Highway Agency.