US Bridges

Desert RD over Unnamed Wash

Good

Los Angeles County, California · 0.3MI N/O Sierra HWY · Structure no. 53C2239

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
305
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Desert RD over Unnamed Wash is a concrete culvert carrying Desert RD over Unnamed Wash in Los Angeles County, California. It was built in 2011, so it is 14 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 305 vehicles a day, projected to reach 305 by 2044. The structure is 20 ft (6.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDesert RD
CrossesUnnamed Wash
Location0.3MI N/O Sierra HWY
RouteCity Street 0
Coordinates34.49871, -118.16468
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3.1 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2017)
Projected traffic305 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Desert RD over Unnamed Wash built?

It was built in 2011, making it 14 years old in 2025.

What condition is Desert RD over Unnamed 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 May 2024.

How much traffic does Desert RD over Unnamed Wash carry?

About 305 vehicles per day (2017 count).

How long is Desert RD over Unnamed Wash?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3.1 m) and a deck 26 ft wide.

Who owns Desert RD over Unnamed Wash?

It is owned by the Town or Township Highway Agency.