US Bridges

Washington ST over Sixth Ave

Good

San Diego County, California · 0.16 MI W/0 SR 163 · Structure no. 57C0009

Built
1940
85 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
422 ft
5 main spans
Daily traffic
37,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over Sixth Ave is a concrete continuous box beam or girders - multiple carrying Washington ST over Sixth Ave in San Diego County, California. It was built in 1940, so it is 85 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 37,000 vehicles a day, roughly 1% of them trucks, projected to reach 48,257 by 2044. The structure is 422 ft (128.6 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington ST
CrossesSixth Ave
Location0.16 MI W/0 SR 163
RouteCity Street 0
Coordinates32.75001, -117.15921
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length422 ft (128.6 m)
Longest span120 ft (36.6 m)
Deck width69 ft (20.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2022)
Projected traffic48,257 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington ST over Sixth Ave built?

It was built in 1940, making it 85 years old in 2025.

What condition is Washington ST over Sixth Ave 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 2024.

How much traffic does Washington ST over Sixth Ave carry?

About 37,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Washington ST over Sixth Ave?

The structure is 422 ft (128.6 m) long with a longest span of 120 ft (36.6 m) and a deck 69 ft wide.

Who owns Washington ST over Sixth Ave?

It is owned by the City or Municipal Highway Agency.