State Route 20 over Wolf Creek
GoodNevada County, California · 03-NEV-020-R13.44-GVY · Structure no. 17 0093
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 47,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Wolf Creek is a concrete continuous culvert carrying State Route 20 over Wolf Creek in Nevada 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 47,000 vehicles a day, projected to reach 83,756 by 2046. The structure is 25 ft (7.6 m) long. 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 |
|---|---|---|
| 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 20 over Wolf Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is State Route 20 over Wolf 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 July 2024.
How much traffic does State Route 20 over Wolf Creek carry?
About 47,000 vehicles per day (2009 count).
How long is State Route 20 over Wolf Creek?
The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).
Who owns State Route 20 over Wolf Creek?
It is owned by the State Highway Agency.