US Bridges

Interstate 405 over Long Beach Blvd

Fair

Los Angeles County, California · 07-LA-405-6.34-LBCH · Structure no. 53 1205

Built
1963
62 years old, rebuilt 1996
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
233 ft
4 main spans
Daily traffic
279,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Long Beach Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Long Beach Blvd 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 279,000 vehicles a day, roughly 5% of them trucks, projected to reach 326,637 by 2042. The structure is 233 ft (71 m) long and 162 ft wide.

CarriesInterstate 405
CrossesLong Beach Blvd
Location07-LA-405-6.34-LBCH
RouteInterstate 405
Coordinates33.81756, -118.18902
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 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
Structure length233 ft (71 m)
Longest span70 ft (21.3 m)
Deck width162 ft (49.4 m)
Roadway width156 ft (47.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279,000 (2020)
Projected traffic326,637 by 2042
Trucks5%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Long Beach Blvd built?

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

What condition is Interstate 405 over Long Beach Blvd 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 Long Beach Blvd carry?

About 279,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Interstate 405 over Long Beach Blvd?

The structure is 233 ft (71 m) long with a longest span of 70 ft (21.3 m) and a deck 162 ft wide.

Who owns Interstate 405 over Long Beach Blvd?

It is owned by the State Highway Agency.