US Bridges

State Route 14 over Mountain Springs Wash

Good

Los Angeles County, California · 07-LA-014-R53.61 · Structure no. 53 1979

Built
1965
60 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
105,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Mountain Springs Wash is a concrete culvert carrying State Route 14 over Mountain Springs Wash in Los Angeles County, California. It was built in 1965, so it is 60 years old, older 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 105,000 vehicles a day, roughly 4% of them trucks, projected to reach 202,839 by 2041. The structure is 41 ft (12.5 m) long and 240 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesMountain Springs Wash
Location07-LA-014-R53.61
RouteState Highway 14
Coordinates34.49981, -118.12078
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy8: Equal 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 spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span8 ft (2.4 m)
Deck width240 ft (73.3 m)
Roadway width110 ft (33.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105,000 (2017)
Projected traffic202,839 by 2041
Trucks4%
Lanes on structure7
Traffic directionTwo-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 14 over Mountain Springs Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is State Route 14 over Mountain Springs Wash 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 February 2023.

How much traffic does State Route 14 over Mountain Springs Wash carry?

About 105,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is State Route 14 over Mountain Springs Wash?

The structure is 41 ft (12.5 m) long with a longest span of 8 ft (2.4 m) and a deck 240 ft wide.

Who owns State Route 14 over Mountain Springs Wash?

It is owned by the State Highway Agency.