US Bridges

State Route 14 over Amargosa Creek

Fair

Los Angeles County, California · 07-LA-014-R70.27-LAN · Structure no. 53 2028R

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
393 ft
5 main spans
Daily traffic
21,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Amargosa Creek is a concrete continuous box beam or girders - multiple carrying State Route 14 over Amargosa Creek in Los Angeles County, California. It was built in 1968, so it is 57 years old, older 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 21,000 vehicles a day, roughly 5% of them trucks, projected to reach 39,048 by 2041. The structure is 393 ft (119.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesAmargosa Creek
Location07-LA-014-R70.27-LAN
RouteState Highway 14
Coordinates34.72284, -118.16994
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length393 ft (119.8 m)
Longest span85 ft (25.9 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2017)
Projected traffic39,048 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 14 over Amargosa Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is State Route 14 over Amargosa 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 May 2023.

How much traffic does State Route 14 over Amargosa Creek carry?

About 21,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 14 over Amargosa Creek?

The structure is 393 ft (119.8 m) long with a longest span of 85 ft (25.9 m) and a deck 41 ft wide.

Who owns State Route 14 over Amargosa Creek?

It is owned by the State Highway Agency.