US Bridges

Laurel Cyn Blvd over Route 5

Fair

Los Angeles County, California · 07-LA-005-35.94-LA · Structure no. 53 1219

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
309 ft
3 main spans
Daily traffic
14,983
2018 count
Owner
State
State Highway Agency

About this bridge

Laurel Cyn Blvd over Route 5 is a concrete continuous box beam or girders - multiple carrying Laurel Cyn Blvd over Route 5 in Los Angeles County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,983 vehicles a day, roughly 3% of them trucks, projected to reach 18,754 by 2041. The structure is 309 ft (94.1 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaurel Cyn Blvd
CrossesRoute 5
Location07-LA-005-35.94-LA
RouteCity Street 0L408
Coordinates34.23117, -118.40265
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating55.3 US tons
Inventory rating40 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length309 ft (94.1 m)
Longest span120 ft (36.7 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,983 (2018)
Projected traffic18,754 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Blvd over Route 5 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Laurel Cyn Blvd over Route 5 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Laurel Cyn Blvd over Route 5 carry?

About 14,983 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Laurel Cyn Blvd over Route 5?

The structure is 309 ft (94.1 m) long with a longest span of 120 ft (36.7 m) and a deck 94 ft wide.

Who owns Laurel Cyn Blvd over Route 5?

It is owned by the State Highway Agency.