Ralston ST over Harmon Barranca
GoodVentura County, California · 0.9 MI E Victoria Ave · Structure no. 52C0249
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 4,156
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ralston ST over Harmon Barranca is a steel culvert carrying Ralston ST over Harmon Barranca in Ventura County, California. It was built in 1978, so it is 47 years old, younger 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 4,156 vehicles a day, roughly 2% of them trucks, projected to reach 6,200 by 2040. The structure is 24 ft (7.4 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ralston ST over Harmon Barranca built?
It was built in 1978, making it 47 years old in 2025.
What condition is Ralston ST over Harmon Barranca 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 Ralston ST over Harmon Barranca carry?
About 4,156 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is Ralston ST over Harmon Barranca?
The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m) and a deck 121 ft wide.
Who owns Ralston ST over Harmon Barranca?
It is owned by the City or Municipal Highway Agency.