Sunflower Avenue over Greenville-Banning Chnl
GoodOrange County, California · 0.6 Mi. E/O Harbor Blvd. · Structure no. 55C0374
- Built
- 1958
- 67 years old, rebuilt 1985
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 17,000
- 2014 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Sunflower Avenue over Greenville-Banning Chnl is a concrete culvert carrying Sunflower Avenue over Greenville-Banning Chnl in Orange County, California. It was built in 1958 and reconstructed in 1985, so it is 67 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 17,000 vehicles a day, roughly 1% of them trucks, projected to reach 38,734 by 2045. The structure is 22 ft (6.7 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Sunflower Avenue over Greenville-Banning Chnl built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1985.
What condition is Sunflower Avenue over Greenville-Banning Chnl 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 October 2023.
How much traffic does Sunflower Avenue over Greenville-Banning Chnl carry?
About 17,000 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Sunflower Avenue over Greenville-Banning Chnl?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 81 ft wide.
Who owns Sunflower Avenue over Greenville-Banning Chnl?
It is owned by the City or Municipal Highway Agency.