US Bridges

Soledad Cyn RD over Nelson Cyn Wash

Good

Los Angeles County, California · 3MI E/O Agua Dulce Cyn RD · Structure no. 53C0487

Built
1949
76 years old, rebuilt 1962
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
2,550
2017 count
Owner
County
County Highway Agency

About this bridge

Soledad Cyn RD over Nelson Cyn Wash is a concrete continuous slab carrying Soledad Cyn RD over Nelson Cyn Wash in Los Angeles County, California. It was built in 1949 and reconstructed in 1962, so it is 76 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 2,550 vehicles a day, roughly 4% of them trucks, projected to reach 2,805 by 2043. The structure is 62 ft (18.9 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSoledad Cyn RD
CrossesNelson Cyn Wash
Location3MI E/O Agua Dulce Cyn RD
RouteCounty Highway 0Q065
Coordinates34.43973, -118.29321
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2017)
Projected traffic2,805 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

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 Soledad Cyn RD over Nelson Cyn Wash built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1962.

What condition is Soledad Cyn RD over Nelson 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 August 2024.

How much traffic does Soledad Cyn RD over Nelson Cyn Wash carry?

About 2,550 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Soledad Cyn RD over Nelson Cyn Wash?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Soledad Cyn RD over Nelson Cyn Wash?

It is owned by the County Highway Agency.