State Route 70 over Grizzly Creek
GoodPlumas County, California · 02-PLU-070-0.67 · Structure no. 09 0007
- Built
- 1936
- 89 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 1,345
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 70 over Grizzly Creek is a steel stringer/multi-beam or girder carrying State Route 70 over Grizzly Creek in Plumas County, California. It was built in 1936, so it is 89 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 1,345 vehicles a day, roughly 14% of them trucks, projected to reach 1,530 by 2040. The structure is 23 ft (7 m) long and 35 ft wide. If it were closed, the detour would be 41 mi (66 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 State Route 70 over Grizzly Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is State Route 70 over Grizzly 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 2023.
How much traffic does State Route 70 over Grizzly Creek carry?
About 1,345 vehicles per day (2009 count), of which roughly 14% are trucks.
How long is State Route 70 over Grizzly Creek?
The structure is 23 ft (7 m) long with a longest span of 19 ft (5.9 m) and a deck 35 ft wide.
Who owns State Route 70 over Grizzly Creek?
It is owned by the State Highway Agency.