US Bridges

Del Amo Blvd over Interstate 605

Fair

Los Angeles County, California · 07-LA-605-R2.87-CRTS · Structure no. 53 1725

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
286 ft
4 main spans
Daily traffic
34,500
2021 count
Owner
State
State Highway Agency

About this bridge

Del Amo Blvd over Interstate 605 is a concrete continuous box beam or girders - multiple carrying Del Amo Blvd over Interstate 605 in Los Angeles County, California. It was built in 1966, so it is 59 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 5 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 34,500 vehicles a day, roughly 4% of them trucks, projected to reach 47,399 by 2042. The structure is 286 ft (87.2 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDel Amo Blvd
CrossesInterstate 605
Location07-LA-605-R2.87-CRTS
RouteCity Street 0L073
Coordinates33.84582, -118.09282
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating64.6 US tons
Inventory rating46.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length286 ft (87.2 m)
Longest span102 ft (31.1 m)
Deck width94 ft (28.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,500 (2021)
Projected traffic47,399 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Interstate 605 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Del Amo Blvd over Interstate 605 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 June 2023.

How much traffic does Del Amo Blvd over Interstate 605 carry?

About 34,500 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Del Amo Blvd over Interstate 605?

The structure is 286 ft (87.2 m) long with a longest span of 102 ft (31.1 m) and a deck 94 ft wide.

Who owns Del Amo Blvd over Interstate 605?

It is owned by the State Highway Agency.