US Bridges

De Soto Ave over Browns Canyon Wash

Fair

Los Angeles County, California · 0.3 MI S Parthenia ST · Structure no. 53C1150

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
125 ft
2 main spans
Daily traffic
53,273
2018 count
Owner
County
County Highway Agency

About this bridge

De Soto Ave over Browns Canyon Wash is a concrete continuous box beam or girders - multiple carrying De Soto Ave over Browns Canyon Wash in Los Angeles County, California. It was built in 1972, so it is 53 years old, younger 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 53,273 vehicles a day, roughly 3% of them trucks, projected to reach 73,583 by 2046. The structure is 125 ft (38.1 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDe Soto Ave
CrossesBrowns Canyon Wash
Location0.3 MI S Parthenia ST
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.22373, -118.58838
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span58 ft (17.7 m)
Deck width100 ft (30.5 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,273 (2018)
Projected traffic73,583 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty 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 De Soto Ave over Browns Canyon Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is De Soto Ave over Browns Canyon Wash 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 July 2024.

How much traffic does De Soto Ave over Browns Canyon Wash carry?

About 53,273 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is De Soto Ave over Browns Canyon Wash?

The structure is 125 ft (38.1 m) long with a longest span of 58 ft (17.7 m) and a deck 100 ft wide.

Who owns De Soto Ave over Browns Canyon Wash?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.