US Bridges

Duarte RD over Santa Anita Wash

Fair

Los Angeles County, California · 0.8MI W/O Myrtle Ave · Structure no. 53C0500

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
21,445
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Duarte RD over Santa Anita Wash is a concrete continuous slab carrying Duarte RD over Santa Anita Wash in Los Angeles County, California. It was built in 1965, so it is 60 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 21,445 vehicles a day, roughly 2% of them trucks, projected to reach 25,734 by 2041. The structure is 52 ft (15.8 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDuarte RD
CrossesSanta Anita Wash
Location0.8MI W/O Myrtle Ave
RouteCity Street 0L517
CountyLos Angeles County
StateCalifornia
Coordinates34.13189, -118.01422
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span40 ft (12.2 m)
Deck width75 ft (22.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,445 (2016)
Projected traffic25,734 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Duarte RD over Santa Anita Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is Duarte RD over Santa Anita 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 May 2023.

How much traffic does Duarte RD over Santa Anita Wash carry?

About 21,445 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Duarte RD over Santa Anita Wash?

The structure is 52 ft (15.8 m) long with a longest span of 40 ft (12.2 m) and a deck 75 ft wide.

Who owns Duarte RD over Santa Anita Wash?

It is owned by the City or Municipal Highway Agency.