Larkmead Lane over Dutch Henry Creek
GoodNapa County, California · 0.4 MI S/W Silverdo Trail · Structure no. 21C0108
- Built
- 1910
- 115 years old
- Condition
- Good
- inspected August 2023
- Type
- Arch - Deck
- Masonry
- Length
- 49 ft
- 2 main spans
- Daily traffic
- 484
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Larkmead Lane over Dutch Henry Creek is a masonry arch - deck carrying Larkmead Lane over Dutch Henry Creek in Napa County, California. It was built in 1910, so it is 115 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 484 vehicles a day, roughly 10% of them trucks, projected to reach 490 by 2041. The structure is 49 ft (14.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| 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 Larkmead Lane over Dutch Henry Creek built?
It was built in 1910, making it 115 years old in 2025.
What condition is Larkmead Lane over Dutch Henry 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 August 2023.
How much traffic does Larkmead Lane over Dutch Henry Creek carry?
About 484 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is Larkmead Lane over Dutch Henry Creek?
The structure is 49 ft (14.9 m) long with a longest span of 21 ft (6.4 m) and a deck 20 ft wide.
Who owns Larkmead Lane over Dutch Henry Creek?
It is owned by the County Highway Agency.