US Bridges

Echelon Ave over Puente Crk

Good

Los Angeles County, California · 0.1MI S/O Amar RD · Structure no. 53C1530

Built
1970
55 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
5,345
2017 count
Owner
County
County Highway Agency

About this bridge

Echelon Ave over Puente Crk is a concrete slab carrying Echelon Ave over Puente Crk in Los Angeles County, California. It was built in 1970, so it is 55 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 5,345 vehicles a day, roughly 2% of them trucks, projected to reach 6,147 by 2042. The structure is 32 ft (9.8 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEchelon Ave
CrossesPuente Crk
Location0.1MI S/O Amar RD
RouteCounty Highway 0
Coordinates34.03401, -117.93471
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width53 ft (16.3 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,345 (2017)
Projected traffic6,147 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Echelon Ave over Puente Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is Echelon Ave over Puente Crk 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 October 2024.

How much traffic does Echelon Ave over Puente Crk carry?

About 5,345 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Echelon Ave over Puente Crk?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 53 ft wide.

Who owns Echelon Ave over Puente Crk?

It is owned by the County Highway Agency.