US Bridges

Interstate 405 Off over Wardlow Road

Good

Los Angeles County, California · 07-LA-405-6.50-LBCH · Structure no. 53 2784K

Built
1994
31 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
164 ft
4 main spans
Daily traffic
4,209
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 Off over Wardlow Road is a concrete continuous stringer/multi-beam or girder carrying Interstate 405 Off over Wardlow Road in Los Angeles County, California. It was built in 1994, so it is 31 years old, younger 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 4,209 vehicles a day, roughly 6% of them trucks, projected to reach 5,000 by 2042. The structure is 164 ft (50 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 405 Off
CrossesWardlow Road
Location07-LA-405-6.50-LBCH
RouteInterstate 405
Coordinates33.81881, -118.19139
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.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
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 spans4
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span84 ft (25.6 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,209 (2020)
Projected traffic5,000 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-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 Off over Wardlow Road built?

It was built in 1994, making it 31 years old in 2025.

What condition is Interstate 405 Off over Wardlow Road 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 January 2025.

How much traffic does Interstate 405 Off over Wardlow Road carry?

About 4,209 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 405 Off over Wardlow Road?

The structure is 164 ft (50 m) long with a longest span of 84 ft (25.6 m) and a deck 35 ft wide.

Who owns Interstate 405 Off over Wardlow Road?

It is owned by the State Highway Agency.