Duhig Road over Huichicha Creek
GoodNapa County, California · 0.4 MI S Las Amigas RD · Structure no. 21C0078
- Built
- 1930
- 95 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 582
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Duhig Road over Huichicha Creek is a concrete tee beam carrying Duhig Road over Huichicha Creek in Napa County, California. It was built in 1930, 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 582 vehicles a day, roughly 10% of them trucks, projected to reach 962 by 2044. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 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 Duhig Road over Huichicha Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is Duhig Road over Huichicha 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 Duhig Road over Huichicha Creek carry?
About 582 vehicles per day (2012 count), of which roughly 10% are trucks.
How long is Duhig Road over Huichicha Creek?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.
Who owns Duhig Road over Huichicha Creek?
It is owned by the County Highway Agency.