US Bridges

Atlantic Ave over Los Angeles Riv

Poor

Los Angeles County, California · 0.5MI S/O Alondra Blvd · Structure no. 53C0185

Built
1937
88 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete
Length
868 ft
15 main spans
Daily traffic
23,298
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Atlantic Ave over Los Angeles Riv is a concrete tee beam carrying Atlantic Ave over Los Angeles Riv in Los Angeles County, California. It was built in 1937, so it is 88 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 23,298 vehicles a day, roughly 3% of them trucks, projected to reach 26,792 by 2043. The structure is 868 ft (264.6 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAtlantic Ave
CrossesLos Angeles Riv
Location0.5MI S/O Alondra Blvd
RouteCity Street 0L062
Coordinates33.88388, -118.18943
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadUnknown
Structure length868 ft (264.6 m)
Longest span64 ft (19.5 m)
Deck width54 ft (16.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,298 (2019)
Projected traffic26,792 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$14 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Atlantic Ave over Los Angeles Riv built?

It was built in 1937, making it 88 years old in 2025.

What condition is Atlantic Ave over Los Angeles Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Atlantic Ave over Los Angeles Riv carry?

About 23,298 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Atlantic Ave over Los Angeles Riv?

The structure is 868 ft (264.6 m) long with a longest span of 64 ft (19.5 m) and a deck 54 ft wide.

Who owns Atlantic Ave over Los Angeles Riv?

It is owned by the City or Municipal Highway Agency.