US Bridges

State Route 14 over Placerita Canyon RD

Good

Los Angeles County, California · 07-LA-014-R28.08 · Structure no. 53 2076

Built
1972
53 years old, rebuilt 1998
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
148,000
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Placerita Canyon RD is a prestressed concrete box beam or girders - multiple carrying State Route 14 over Placerita Canyon RD in Los Angeles County, California. It was built in 1972 and reconstructed in 1998, 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 148,000 vehicles a day, roughly 4% of them trucks, projected to reach 234,766 by 2041. The structure is 153 ft (46.6 m) long and 184 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesPlacerita Canyon RD
Location07-LA-014-R28.08
RouteState Highway 14
Coordinates34.37735, -118.49353
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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span150 ft (45.7 m)
Deck width184 ft (56 m)
Roadway width181 ft (55.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,000 (2021)
Projected traffic234,766 by 2041
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 Placerita Canyon RD built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1998.

What condition is State Route 14 over Placerita Canyon RD 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 December 2024.

How much traffic does State Route 14 over Placerita Canyon RD carry?

About 148,000 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is State Route 14 over Placerita Canyon RD?

The structure is 153 ft (46.6 m) long with a longest span of 150 ft (45.7 m) and a deck 184 ft wide.

Who owns State Route 14 over Placerita Canyon RD?

It is owned by the State Highway Agency.