US Bridges

Laurel Canyon Blvd over Tujunga Wash

Good

Los Angeles County, California · 0.2 MI N of 1-5 · Structure no. 53C1233

Built
1952
73 years old, rebuilt 2019
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
66 ft
1 main span
Daily traffic
21,521
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laurel Canyon Blvd over Tujunga Wash is a concrete box beam or girders - multiple carrying Laurel Canyon Blvd over Tujunga Wash in Los Angeles County, California. It was built in 1952 and reconstructed in 2019, so it is 73 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 21,521 vehicles a day, roughly 2% of them trucks, projected to reach 27,675 by 2043. The structure is 66 ft (20.1 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLaurel Canyon Blvd
CrossesTujunga Wash
Location0.2 MI N of 1-5
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.23521, -118.40706
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.1 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span60 ft (18.3 m)
Deck width62 ft (18.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,521 (2020)
Projected traffic27,675 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Laurel Canyon Blvd over Tujunga Wash built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2019.

What condition is Laurel Canyon Blvd over Tujunga 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 2023.

How much traffic does Laurel Canyon Blvd over Tujunga Wash carry?

About 21,521 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Laurel Canyon Blvd over Tujunga Wash?

The structure is 66 ft (20.1 m) long with a longest span of 60 ft (18.3 m) and a deck 62 ft wide.

Who owns Laurel Canyon Blvd over Tujunga Wash?

It is owned by the City or Municipal Highway Agency.