US Bridges

Florence Ave over Los Angeles Riv

Fair

Los Angeles County, California · 0.3MI W/O Western Ave · Structure no. 53C0071

Built
1948
77 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
461 ft
6 main spans
Daily traffic
42,930
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Florence Ave over Los Angeles Riv is a concrete continuous tee beam carrying Florence Ave over Los Angeles Riv in Los Angeles County, California. It was built in 1948, so it is 77 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 42,930 vehicles a day, roughly 5% of them trucks, projected to reach 51,516 by 2041. The structure is 461 ft (140.5 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFlorence Ave
CrossesLos Angeles Riv
Location0.3MI W/O Western Ave
RouteCity Street 0L120
Coordinates33.96849, -118.1711
Functional classUrban Other Principal 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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
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 alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length461 ft (140.5 m)
Longest span83 ft (25.3 m)
Deck width60 ft (18.2 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,930 (2017)
Projected traffic51,516 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Florence Ave over Los Angeles Riv built?

It was built in 1948, making it 77 years old in 2025.

What condition is Florence Ave over Los Angeles Riv 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 December 2023.

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

About 42,930 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Florence Ave over Los Angeles Riv?

The structure is 461 ft (140.5 m) long with a longest span of 83 ft (25.3 m) and a deck 60 ft wide.

Who owns Florence Ave over Los Angeles Riv?

It is owned by the City or Municipal Highway Agency.