US Bridges

Bouquet Cyn RD over Plum Cyn Chan

Good

Los Angeles County, California · 3.0MI N/O Soledad Cyn RD · Structure no. 53C0479

Built
1967
58 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
27,396
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bouquet Cyn RD over Plum Cyn Chan is a concrete culvert carrying Bouquet Cyn RD over Plum Cyn Chan in Los Angeles County, California. It was built in 1967, so it is 58 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 27,396 vehicles a day, roughly 2% of them trucks, projected to reach 32,000 by 2042. The structure is 20 ft (6.1 m) long and 107 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBouquet Cyn RD
CrossesPlum Cyn Chan
Location3.0MI N/O Soledad Cyn RD
RouteCity Street 0Q064
Coordinates34.44931, -118.49849
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width107 ft (32.7 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,396 (2014)
Projected traffic32,000 by 2042
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bouquet Cyn RD over Plum Cyn Chan built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bouquet Cyn RD over Plum Cyn Chan 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 January 2022.

How much traffic does Bouquet Cyn RD over Plum Cyn Chan carry?

About 27,396 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Bouquet Cyn RD over Plum Cyn Chan?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 107 ft wide.

Who owns Bouquet Cyn RD over Plum Cyn Chan?

It is owned by the City or Municipal Highway Agency.