State Route 20 over North Fork Cache Creek
GoodLake County, California · 01-LAK-020-37.07 · Structure no. 14 0012
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 592 ft
- 5 main spans
- Daily traffic
- 6,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over North Fork Cache Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 20 over North Fork Cache Creek in Lake County, California. It was built in 1989, so it is 36 years old, younger 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 6,300 vehicles a day, roughly 13% of them trucks, projected to reach 10,439 by 2046. The structure is 592 ft (180.3 m) long and 50 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| 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 20 over North Fork Cache Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is State Route 20 over North Fork Cache 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 October 2024.
How much traffic does State Route 20 over North Fork Cache Creek carry?
About 6,300 vehicles per day (2009 count), of which roughly 13% are trucks.
How long is State Route 20 over North Fork Cache Creek?
The structure is 592 ft (180.3 m) long with a longest span of 118 ft (36.1 m) and a deck 50 ft wide.
Who owns State Route 20 over North Fork Cache Creek?
It is owned by the State Highway Agency.