State Route 20 over Bear River
GoodNevada County, California · 03-NEV-020-41.28 · Structure no. 17 0022
- Built
- 1950
- 75 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 4,650
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Bear River is a concrete continuous culvert carrying State Route 20 over Bear River in Nevada County, California. It was built in 1950, so it is 75 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 4,650 vehicles a day, projected to reach 8,623 by 2046. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 70.2 mi (113 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 Bear River built?
It was built in 1950, making it 75 years old in 2025.
What condition is State Route 20 over Bear River 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 August 2024.
How much traffic does State Route 20 over Bear River carry?
About 4,650 vehicles per day (2009 count).
How long is State Route 20 over Bear River?
The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.3 m).
Who owns State Route 20 over Bear River?
It is owned by the State Highway Agency.