US Bridges

Duarte RD over Arcadia Wash

Fair

Los Angeles County, California · 0.2MI W/O El Monte Ave · Structure no. 53C0499

Built
1955
70 years old
Condition
Fair
inspected June 2021
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
23,436
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Duarte RD over Arcadia Wash is a concrete slab carrying Duarte RD over Arcadia Wash in Los Angeles County, California. It was built in 1955, so it is 70 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 6 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 23,436 vehicles a day, roughly 2% of them trucks, projected to reach 28,111 by 2041. The structure is 36 ft (11 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDuarte RD
CrossesArcadia Wash
Location0.2MI W/O El Monte Ave
RouteCity Street 0L517
CountyLos Angeles County
StateCalifornia
Coordinates34.12812, -118.04022
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 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 rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width72 ft (21.9 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic23,436 (2012)
Projected traffic28,111 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 Arcadia Wash built?

It was built in 1955, making it 70 years old in 2025.

What condition is Duarte RD over Arcadia 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 June 2021.

How much traffic does Duarte RD over Arcadia Wash carry?

About 23,436 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Duarte RD over Arcadia Wash?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 72 ft wide.

Who owns Duarte RD over Arcadia Wash?

It is owned by the City or Municipal Highway Agency.