US Bridges

Stevenson Ranch Pk over Pico Cyn Wash

Good

Los Angeles County, California · Corner Old RD Stevenson · Structure no. 53C2203

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
65 ft
4 main spans
Daily traffic
713
2017 count
Owner
County
County Highway Agency

About this bridge

Stevenson Ranch Pk over Pico Cyn Wash is a concrete culvert carrying Stevenson Ranch Pk over Pico Cyn Wash in Los Angeles County, California. It was built in 2001, so it is 24 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 713 vehicles a day, projected to reach 784 by 2042. The structure is 65 ft (19.8 m) long and 104 ft wide.

CarriesStevenson Ranch Pk
CrossesPico Cyn Wash
LocationCorner Old RD Stevenson
RouteCounty Highway 0
Coordinates34.37949, -118.58379
Functional classRural Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span15 ft (4.5 m)
Deck width104 ft (31.7 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic713 (2017)
Projected traffic784 by 2042
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Stevenson Ranch Pk over Pico Cyn Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is Stevenson Ranch Pk over Pico Cyn 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 March 2024.

How much traffic does Stevenson Ranch Pk over Pico Cyn Wash carry?

About 713 vehicles per day (2017 count).

How long is Stevenson Ranch Pk over Pico Cyn Wash?

The structure is 65 ft (19.8 m) long with a longest span of 15 ft (4.5 m) and a deck 104 ft wide.

Who owns Stevenson Ranch Pk over Pico Cyn Wash?

It is owned by the County Highway Agency.