US Bridges

Del Amo Blvd over San Gabriel Riv

Good

Los Angeles County, California · 0.4MI W/O I-605 Fwy · Structure no. 53C0719

Built
1966
59 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
2 main spans
Daily traffic
28,629
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Del Amo Blvd over San Gabriel Riv is a prestressed concrete stringer/multi-beam or girder carrying Del Amo Blvd over San Gabriel Riv 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 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 28,629 vehicles a day, roughly 4% of them trucks, projected to reach 34,355 by 2045. The structure is 172 ft (52.4 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesDel Amo Blvd
CrossesSan Gabriel Riv
Location0.4MI W/O I-605 Fwy
RouteCity Street 0
Coordinates33.84576, -118.09908
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span85 ft (25.9 m)
Deck width94 ft (28.7 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,629 (2015)
Projected traffic34,355 by 2045
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Del Amo Blvd over San Gabriel Riv built?

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

What condition is Del Amo Blvd over San Gabriel Riv 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 Del Amo Blvd over San Gabriel Riv carry?

About 28,629 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Del Amo Blvd over San Gabriel Riv?

The structure is 172 ft (52.4 m) long with a longest span of 85 ft (25.9 m) and a deck 94 ft wide.

Who owns Del Amo Blvd over San Gabriel Riv?

It is owned by the City or Municipal Highway Agency.