US Bridges

Del Amo Blvd over I 405 Dominguez Channel

Good

Los Angeles County, California · 07-LA-405-11.80-CRSN · Structure no. 53 2831

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
995 ft
7 main spans
Daily traffic
23,460
2024 count
Owner
State
State Highway Agency

About this bridge

Del Amo Blvd over I 405 Dominguez Channel is a prestressed concrete continuous box beam or girders - multiple carrying Del Amo Blvd over I 405 Dominguez Channel in Los Angeles County, California. It was built in 2003, so it is 22 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 23,460 vehicles a day, roughly 10% of them trucks, projected to reach 26,771 by 2046. The structure is 995 ft (303.2 m) long and 87 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesDel Amo Blvd
CrossesI 405 Dominguez Channel
Location07-LA-405-11.80-CRSN
RouteCity Street 0
Coordinates33.84624, -118.27157
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length995 ft (303.2 m)
Longest span164 ft (50 m)
Deck width87 ft (26.4 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,460 (2024)
Projected traffic26,771 by 2046
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed2.5 mi (4 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 Del Amo Blvd over I 405 Dominguez Channel built?

It was built in 2003, making it 22 years old in 2025.

What condition is Del Amo Blvd over I 405 Dominguez Channel 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 September 2024.

How much traffic does Del Amo Blvd over I 405 Dominguez Channel carry?

About 23,460 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Del Amo Blvd over I 405 Dominguez Channel?

The structure is 995 ft (303.2 m) long with a longest span of 164 ft (50 m) and a deck 87 ft wide.

Who owns Del Amo Blvd over I 405 Dominguez Channel?

It is owned by the State Highway Agency.