Graham Street over Slater Ave Channel
GoodOrange County, California · 0.5 MI S/O Warner Ave · Structure no. 55C0430
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 8,000
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Graham Street over Slater Ave Channel is a concrete culvert carrying Graham Street over Slater Ave Channel in Orange County, California. It was built in 1970, so it is 55 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 8,000 vehicles a day, roughly 1% of them trucks, projected to reach 8,965 by 2040. The structure is 25 ft (7.6 m) long and 100 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 | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Graham Street over Slater Ave Channel built?
It was built in 1970, making it 55 years old in 2025.
What condition is Graham Street over Slater Ave Channel 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 September 2023.
How much traffic does Graham Street over Slater Ave Channel carry?
About 8,000 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Graham Street over Slater Ave Channel?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 100 ft wide.
Who owns Graham Street over Slater Ave Channel?
It is owned by the City or Municipal Highway Agency.