Roblar RD over Americano Creek
GoodSonoma County, California · 0.7 MI E JCT Valy Ford RD · Structure no. 20C0452
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 1,200
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Roblar RD over Americano Creek is a concrete continuous culvert carrying Roblar RD over Americano Creek in Sonoma County, California. It was built in 1964, so it is 61 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 1,200 vehicles a day, roughly 3% of them trucks, projected to reach 1,703 by 2047. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 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 Roblar RD over Americano Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is Roblar RD over Americano 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 February 2025.
How much traffic does Roblar RD over Americano Creek carry?
About 1,200 vehicles per day (2018 count), of which roughly 3% are trucks.
How long is Roblar RD over Americano Creek?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.
Who owns Roblar RD over Americano Creek?
It is owned by the County Highway Agency.