US Bridges

Interstate 405 over Wardlow Road

Fair

Los Angeles County, California · 07-LA-405-6.50-LBCH · Structure no. 53 1206

Built
1963
62 years old, rebuilt 1996
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
114 ft
2 main spans
Daily traffic
277,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Wardlow Road is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Wardlow Road in Los Angeles County, California. It was built in 1963 and reconstructed in 1996, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 277,000 vehicles a day, roughly 5% of them trucks, projected to reach 326,637 by 2042. The structure is 114 ft (34.7 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 405
CrossesWardlow Road
Location07-LA-405-6.50-LBCH
RouteInterstate 405
Coordinates33.81883, -118.19061
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span55 ft (16.8 m)
Deck width141 ft (42.9 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277,000 (2020)
Projected traffic326,637 by 2042
Trucks5%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Wardlow Road built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1996.

What condition is Interstate 405 over Wardlow Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Interstate 405 over Wardlow Road carry?

About 277,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Interstate 405 over Wardlow Road?

The structure is 114 ft (34.7 m) long with a longest span of 55 ft (16.8 m) and a deck 141 ft wide.

Who owns Interstate 405 over Wardlow Road?

It is owned by the State Highway Agency.