US Bridges

El Monte Ave over Arcadia Wash

Fair

Los Angeles County, California · At Naomi Ave · Structure no. 53C0603

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
127 ft
1 main span
Daily traffic
5,950
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

El Monte Ave over Arcadia Wash is a concrete slab carrying El Monte Ave 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 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 5,950 vehicles a day, roughly 1% of them trucks, projected to reach 6,843 by 2043. The structure is 127 ft (38.8 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEl Monte Ave
CrossesArcadia Wash
LocationAt Naomi Ave
RouteCity Street 0Q504
CountyLos Angeles County
StateCalifornia
Coordinates34.12342, -118.03847
Functional classUrban Collector

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 inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length127 ft (38.8 m)
Longest span125 ft (38 m)
Deck width67 ft (20.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2014)
Projected traffic6,843 by 2043
Trucks1%
Lanes on structure2
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 El Monte Ave over Arcadia Wash built?

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

What condition is El Monte Ave 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 2023.

How much traffic does El Monte Ave over Arcadia Wash carry?

About 5,950 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is El Monte Ave over Arcadia Wash?

The structure is 127 ft (38.8 m) long with a longest span of 125 ft (38 m) and a deck 67 ft wide.

Who owns El Monte Ave over Arcadia Wash?

It is owned by the City or Municipal Highway Agency.