Harris Grade Road over San Antonio Creek
GoodSanta Barbara County, California · 0.2 MI S of SR 135 · Structure no. 51C0310
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected January 2023
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 1,555
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Harris Grade Road over San Antonio Creek is a concrete continuous slab carrying Harris Grade Road over San Antonio Creek in Santa Barbara County, California. It was built in 1984, so it is 41 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 1,555 vehicles a day, roughly 8% of them trucks, projected to reach 4,347 by 2040. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harris Grade Road over San Antonio Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Harris Grade Road over San Antonio 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 January 2023.
How much traffic does Harris Grade Road over San Antonio Creek carry?
About 1,555 vehicles per day (2008 count), of which roughly 8% are trucks.
How long is Harris Grade Road over San Antonio Creek?
The structure is 80 ft (24.4 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.
Who owns Harris Grade Road over San Antonio Creek?
It is owned by the County Highway Agency.