Silverado Trail over No Name Creek
GoodNapa County, California · 2.0 MI N/W Oaknoll Ave · Structure no. 21C0028
- Built
- 1930
- 95 years old, rebuilt 1971
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 5,450
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Silverado Trail over No Name Creek is a concrete continuous tee beam carrying Silverado Trail over No Name Creek in Napa County, California. It was built in 1930 and reconstructed in 1971, so it is 95 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 5,450 vehicles a day, roughly 10% of them trucks, projected to reach 8,365 by 2040. The structure is 32 ft (9.8 m) long and 41 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silverado Trail over No Name Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1971.
What condition is Silverado Trail over No Name 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 2023.
How much traffic does Silverado Trail over No Name Creek carry?
About 5,450 vehicles per day (2005 count), of which roughly 10% are trucks.
How long is Silverado Trail over No Name Creek?
The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 41 ft wide.
Who owns Silverado Trail over No Name Creek?
It is owned by the County Highway Agency.