US Bridges

Lancaster Blvd over Amargosa Drn

Good

Los Angeles County, California · 0.2MI E/O 30th ST · Structure no. 53C1951

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
9,690
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lancaster Blvd over Amargosa Drn is a concrete culvert carrying Lancaster Blvd 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 9,690 vehicles a day, roughly 2% of them trucks, projected to reach 11,144 by 2044. The structure is 50 ft (15.2 m) long and 119 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLancaster Blvd
CrossesAmargosa Drn
Location0.2MI E/O 30th ST
RouteCity Street 0Q038
Coordinates34.69656, -118.17945
Functional classUrban Minor 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 length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width119 ft (36.2 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,690 (2014)
Projected traffic11,144 by 2044
Trucks2%
Lanes on structure5
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 Lancaster Blvd over Amargosa Drn built?

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

What condition is Lancaster Blvd 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 Lancaster Blvd over Amargosa Drn carry?

About 9,690 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Lancaster Blvd over Amargosa Drn?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m) and a deck 119 ft wide.

Who owns Lancaster Blvd over Amargosa Drn?

It is owned by the City or Municipal Highway Agency.