Waring RD-W8 Onrmp over Alvarado Channel
GoodSan Diego County, California · 11-SD-008-7.05-SD · Structure no. 57 0484K
- Built
- 1959
- 66 years old, rebuilt 1993
- Condition
- Good
- inspected April 2022
- Type
- Culvert
- Concrete
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 7,900
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Waring RD-W8 Onrmp over Alvarado Channel is a concrete culvert carrying Waring RD-W8 Onrmp over Alvarado Channel in San Diego County, California. It was built in 1959 and reconstructed in 1993, so it is 66 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 7,900 vehicles a day, roughly 2% of them trucks, projected to reach 12,698 by 2039. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Waring RD-W8 Onrmp over Alvarado Channel built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.
What condition is Waring RD-W8 Onrmp over Alvarado 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 April 2022.
How much traffic does Waring RD-W8 Onrmp over Alvarado Channel carry?
About 7,900 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is Waring RD-W8 Onrmp over Alvarado Channel?
The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m) and a deck 35 ft wide.
Who owns Waring RD-W8 Onrmp over Alvarado Channel?
It is owned by the State Highway Agency.