US Bridges

Clara ST over Los Angeles Riv

Good

Los Angeles County, California · 0.3MI S/O Florence Ave · Structure no. 53C0158

Built
1939
86 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
476 ft
5 main spans
Daily traffic
16,274
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clara ST over Los Angeles Riv is a concrete continuous tee beam carrying Clara ST over Los Angeles Riv in Los Angeles County, California. It was built in 1939, so it is 86 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 16,274 vehicles a day, roughly 1% of them trucks, projected to reach 19,529 by 2041. The structure is 476 ft (145.1 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesClara ST
CrossesLos Angeles Riv
Location0.3MI S/O Florence Ave
RouteCity Street 0L677
Coordinates33.96395, -118.17178
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length476 ft (145.1 m)
Longest span100 ft (30.5 m)
Deck width56 ft (17 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,274 (2017)
Projected traffic19,529 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Clara ST over Los Angeles Riv built?

It was built in 1939, making it 86 years old in 2025.

What condition is Clara ST over Los Angeles 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 December 2023.

How much traffic does Clara ST over Los Angeles Riv carry?

About 16,274 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Clara ST over Los Angeles Riv?

The structure is 476 ft (145.1 m) long with a longest span of 100 ft (30.5 m) and a deck 56 ft wide.

Who owns Clara ST over Los Angeles Riv?

It is owned by the City or Municipal Highway Agency.