Silverado Trail over Soda Springs Creek
GoodNapa County, California · 0.06 MI N Soda Canyon · Structure no. 21C0006
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 42 ft
- 2 main spans
- Daily traffic
- 3,211
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Silverado Trail over Soda Springs Creek is a concrete continuous culvert carrying Silverado Trail over Soda Springs Creek in Napa County, California. It was built in 1972, so it is 53 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 3,211 vehicles a day, roughly 10% of them trucks, projected to reach 5,263 by 2046. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silverado Trail over Soda Springs Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Silverado Trail over Soda Springs 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 May 2024.
How much traffic does Silverado Trail over Soda Springs Creek carry?
About 3,211 vehicles per day (2013 count), of which roughly 10% are trucks.
How long is Silverado Trail over Soda Springs Creek?
The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m).
Who owns Silverado Trail over Soda Springs Creek?
It is owned by the County Highway Agency.