US Bridges

Avocado Ave over Washington Channel

Good

San Diego County, California · 175FT S/O Main ST · Structure no. 57C0279

Built
1969
56 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
14,700
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Avocado Ave over Washington Channel is a concrete culvert carrying Avocado Ave over Washington Channel in San Diego County, California. It was built in 1969, so it is 56 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 14,700 vehicles a day, roughly 2% of them trucks, projected to reach 23,592 by 2042. The structure is 23 ft (7 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAvocado Ave
CrossesWashington Channel
Location175FT S/O Main ST
RouteCity Street 0
Coordinates32.79408, -116.95749
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span14 ft (4.2 m)
Deck width88 ft (26.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2016)
Projected traffic23,592 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Avocado Ave over Washington Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is Avocado Ave over Washington 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 Avocado Ave over Washington Channel carry?

About 14,700 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Avocado Ave over Washington Channel?

The structure is 23 ft (7 m) long with a longest span of 14 ft (4.2 m) and a deck 88 ft wide.

Who owns Avocado Ave over Washington Channel?

It is owned by the City or Municipal Highway Agency.