US Bridges

State Route 14 over S Amargosa Creek

Good

Los Angeles County, California · 07-LA-014-R61.53-PMDL · Structure no. 53 2377R

Built
1972
53 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
155 ft
1 main span
Daily traffic
44,500
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over S Amargosa Creek is a prestressed concrete box beam or girders - multiple carrying State Route 14 over S Amargosa Creek in Los Angeles County, California. It was built in 1972, so it is 53 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 44,500 vehicles a day, roughly 5% of them trucks, projected to reach 98,046 by 2041. The structure is 155 ft (47.3 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesS Amargosa Creek
Location07-LA-014-R61.53-PMDL
RouteState Highway 14
Coordinates34.60314, -118.1442
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length155 ft (47.3 m)
Longest span154 ft (46.9 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,500 (2017)
Projected traffic98,046 by 2041
Trucks5%
Lanes on structure3
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 S Amargosa Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is State Route 14 over S Amargosa Creek 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 March 2023.

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

About 44,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 14 over S Amargosa Creek?

The structure is 155 ft (47.3 m) long with a longest span of 154 ft (46.9 m) and a deck 53 ft wide.

Who owns State Route 14 over S Amargosa Creek?

It is owned by the State Highway Agency.