US Bridges

Las Flores Cyn RD over Las Flores Crk

Good

Los Angeles County, California · 0.5MI N/O SR-1 HWY · Structure no. 53C2036

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
1,572
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Las Flores Cyn RD over Las Flores Crk is a prestressed concrete box beam or girders - multiple carrying Las Flores Cyn RD over Las Flores Crk in Los Angeles County, California. It was built in 1996, so it is 29 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 1,572 vehicles a day, roughly 2% of them trucks, projected to reach 1,729 by 2044. The structure is 69 ft (21.1 m) long and 38 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesLas Flores Cyn RD
CrossesLas Flores Crk
Location0.5MI N/O SR-1 HWY
RouteCity Street 0
Coordinates34.04482, -118.6387
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.1 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21.1 m)
Longest span62 ft (18.9 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,572 (2014)
Projected traffic1,729 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

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 Las Flores Cyn RD over Las Flores Crk built?

It was built in 1996, making it 29 years old in 2025.

What condition is Las Flores Cyn RD over Las Flores Crk 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 June 2024.

How much traffic does Las Flores Cyn RD over Las Flores Crk carry?

About 1,572 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Las Flores Cyn RD over Las Flores Crk?

The structure is 69 ft (21.1 m) long with a longest span of 62 ft (18.9 m) and a deck 38 ft wide.

Who owns Las Flores Cyn RD over Las Flores Crk?

It is owned by the City or Municipal Highway Agency.