US Bridges

State Route 14 over Placerita Creek

Good

Los Angeles County, California · 07-LA-014-R28.20 · Structure no. 53 2094

Built
1969
56 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
148,000
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Placerita Creek is a steel culvert carrying State Route 14 over Placerita Creek in Los Angeles County, California. It was built in 1969, so it is 56 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 148,000 vehicles a day, roughly 4% of them trucks, projected to reach 234,766 by 2041. The structure is 21 ft (6.4 m) long and 720 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesPlacerita Creek
Location07-LA-014-R28.20
RouteState Highway 14
Coordinates34.37828, -118.49252
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width720 ft (219.5 m)
Roadway width163 ft (49.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,000 (2021)
Projected traffic234,766 by 2041
Trucks4%
Lanes on structure8
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 14 over Placerita Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is State Route 14 over Placerita 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 December 2024.

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

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

How long is State Route 14 over Placerita Creek?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 720 ft wide.

Who owns State Route 14 over Placerita Creek?

It is owned by the State Highway Agency.