US Bridges

W Ave I over Amargosa Drn

Good

Los Angeles County, California · 0.1MI E/O 30th ST W · Structure no. 53C1952

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
9,486
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Ave I over Amargosa Drn is a concrete culvert carrying W Ave I 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 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 9,486 vehicles a day, roughly 2% of them trucks, projected to reach 10,909 by 2044. The structure is 55 ft (16.8 m) long and 193 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW Ave I
CrossesAmargosa Drn
Location0.1MI E/O 30th ST W
RouteCity Street 0Q006
Coordinates34.70381, -118.18357
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 spans4
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span13 ft (4 m)
Deck width193 ft (58.8 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,486 (2014)
Projected traffic10,909 by 2044
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 W Ave I over Amargosa Drn built?

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

What condition is W Ave I over Amargosa Drn 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 May 2024.

How much traffic does W Ave I over Amargosa Drn carry?

About 9,486 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is W Ave I over Amargosa Drn?

The structure is 55 ft (16.8 m) long with a longest span of 13 ft (4 m) and a deck 193 ft wide.

Who owns W Ave I over Amargosa Drn?

It is owned by the City or Municipal Highway Agency.