US Bridges

Avenue J over Little Rock Creek

Fair

Los Angeles County, California · 0.5 MI E/O 50th ST East · Structure no. 53C2335

Built
2015
10 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
104 ft
3 main spans
Daily traffic
3,513
2017 count
Owner
County
County Highway Agency

About this bridge

Avenue J over Little Rock Creek is a concrete slab carrying Avenue J over Little Rock Creek in Los Angeles County, California. It was built in 2015, so it is 10 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 3,513 vehicles a day, roughly 2% of them trucks, projected to reach 3,864 by 2041. The structure is 104 ft (31.7 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesAvenue J
CrossesLittle Rock Creek
Location0.5 MI E/O 50th ST East
RouteCity Street 0_
CountyLos Angeles County
StateCalifornia
Coordinates34.69, -118.025
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,513 (2017)
Projected traffic3,864 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Avenue J over Little Rock Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Avenue J over Little Rock Creek 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 February 2024.

How much traffic does Avenue J over Little Rock Creek carry?

About 3,513 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Avenue J over Little Rock Creek?

The structure is 104 ft (31.7 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns Avenue J over Little Rock Creek?

It is owned by the County Highway Agency.