US Bridges

Laurel Cyn Bl on R over Route 5

Good

Los Angeles County, California · 07-LA-118-R11.42L-LA · Structure no. 53 2325K

Built
1976
49 years old, rebuilt 1996
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
3,900
2020 count
Owner
State
State Highway Agency

About this bridge

Laurel Cyn Bl on R over Route 5 is a prestressed concrete continuous box beam or girders - multiple carrying Laurel Cyn Bl on R over Route 5 in Los Angeles County, California. It was built in 1976 and reconstructed in 1996, so it is 49 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 3,900 vehicles a day, roughly 1% of them trucks, projected to reach 4,952 by 2046. The structure is 214 ft (65.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaurel Cyn Bl on R
CrossesRoute 5
Location07-LA-118-R11.42L-LA
RouteState Highway 118
Coordinates34.26704, -118.44417
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating68.9 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span109 ft (33.2 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic3,900 (2020)
Projected traffic4,952 by 2046
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Laurel Cyn Bl on R over Route 5 built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1996.

What condition is Laurel Cyn Bl on R over Route 5 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 February 2024.

How much traffic does Laurel Cyn Bl on R over Route 5 carry?

About 3,900 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Laurel Cyn Bl on R over Route 5?

The structure is 214 ft (65.2 m) long with a longest span of 109 ft (33.2 m) and a deck 27 ft wide.

Who owns Laurel Cyn Bl on R over Route 5?

It is owned by the State Highway Agency.