US Bridges

Interstate 405 over Yukon Avenue

Good

Los Angeles County, California · 07-LA-405-15.98-TOR · Structure no. 53 1177

Built
1962
63 years old, rebuilt 1992
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
65 ft
1 main span
Daily traffic
269,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Yukon Avenue is a concrete box beam or girders - multiple carrying Interstate 405 over Yukon Avenue in Los Angeles County, California. It was built in 1962 and reconstructed in 1992, so it is 63 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 269,000 vehicles a day, roughly 5% of them trucks, projected to reach 328,685 by 2046. The structure is 65 ft (19.8 m) long and 156 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 405
CrossesYukon Avenue
Location07-LA-405-15.98-TOR
RouteInterstate 405
Coordinates33.8673, -118.33478
Functional classUrban Principal Arterial - Interstate

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width156 ft (47.4 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269,000 (2019)
Projected traffic328,685 by 2046
Trucks5%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 405 over Yukon Avenue built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.

What condition is Interstate 405 over Yukon Avenue 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 May 2024.

How much traffic does Interstate 405 over Yukon Avenue carry?

About 269,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Interstate 405 over Yukon Avenue?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 156 ft wide.

Who owns Interstate 405 over Yukon Avenue?

It is owned by the State Highway Agency.