Washington ST over Dry Creek
GoodNapa County, California · Just South of Darms Lane · Structure no. 21C0021
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 86 ft
- 2 main spans
- Daily traffic
- 343
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Washington ST over Dry Creek is a concrete continuous tee beam carrying Washington ST over Dry Creek in Napa County, California. It was built in 1970, so it is 55 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 343 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2040. The structure is 86 ft (26.2 m) long and 34 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Washington ST over Dry Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Washington ST over Dry 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 Washington ST over Dry Creek carry?
About 343 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is Washington ST over Dry Creek?
The structure is 86 ft (26.2 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.
Who owns Washington ST over Dry Creek?
It is owned by the County Highway Agency.