US Bridges

Palms Blvd over Route 405

Good

Los Angeles County, California · 07-LA-405-28.51-LA · Structure no. 53 2981

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
25,000
2014 count
Owner
State
State Highway Agency

About this bridge

Palms Blvd over Route 405 is a concrete continuous box beam or girders - multiple carrying Palms Blvd over Route 405 in Los Angeles County, California. It was built in 2009, so it is 16 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 25,000 vehicles a day, roughly 2% of them trucks, projected to reach 38,766 by 2043. The structure is 212 ft (64.7 m) long and 92 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPalms Blvd
CrossesRoute 405
Location07-LA-405-28.51-LA
RouteCity Street 0L178
Coordinates34.01865, -118.42393
Functional classUrban Local

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 2023
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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length212 ft (64.7 m)
Longest span107 ft (32.5 m)
Deck width92 ft (28 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2014)
Projected traffic38,766 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Palms Blvd over Route 405 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Palms Blvd over Route 405 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 2023.

How much traffic does Palms Blvd over Route 405 carry?

About 25,000 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Palms Blvd over Route 405?

The structure is 212 ft (64.7 m) long with a longest span of 107 ft (32.5 m) and a deck 92 ft wide.

Who owns Palms Blvd over Route 405?

It is owned by the State Highway Agency.