State Route 70 over Humbug Creek
GoodPlumas County, California · 02-PLU-070-73.99 · Structure no. 09 0022
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected June 2021
- Type
- Slab
- Concrete Continuous
- Length
- 66 ft
- 3 main spans
- Daily traffic
- 6,200
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 70 over Humbug Creek is a concrete continuous slab carrying State Route 70 over Humbug Creek in Plumas County, California. It was built in 1969, so it is 56 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 6,200 vehicles a day, projected to reach 6,265 by 2038. The structure is 66 ft (20.1 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Humbug Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is State Route 70 over Humbug 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 June 2021.
How much traffic does State Route 70 over Humbug Creek carry?
About 6,200 vehicles per day (2009 count).
How long is State Route 70 over Humbug Creek?
The structure is 66 ft (20.1 m) long with a longest span of 26 ft (7.9 m) and a deck 42 ft wide.
Who owns State Route 70 over Humbug Creek?
It is owned by the State Highway Agency.