US Bridges

Ave J-4 over Amargosa Drn

Fair

Los Angeles County, California · 0.1MI E/O 25th ST W · Structure no. 53C1949

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
510
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ave J-4 over Amargosa Drn is a concrete culvert carrying Ave J-4 over Amargosa Drn in Los Angeles County, California. It was built in 1991, so it is 34 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 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 510 vehicles a day, roughly 1% of them trucks, projected to reach 561 by 2044. The structure is 34 ft (10.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAve J-4
CrossesAmargosa Drn
Location0.1MI E/O 25th ST W
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.68573, -118.17209
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2014)
Projected traffic561 by 2044
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 Ave J-4 over Amargosa Drn built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ave J-4 over Amargosa Drn 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 2024.

How much traffic does Ave J-4 over Amargosa Drn carry?

About 510 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Ave J-4 over Amargosa Drn?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 52 ft wide.

Who owns Ave J-4 over Amargosa Drn?

It is owned by the City or Municipal Highway Agency.