US Bridges

Riverside DR over Tujunga Wash

Good

Los Angeles County, California · Riverside Dr/Whitsett Av · Structure no. 53C1299

Built
1950
75 years old, rebuilt 1967
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
155 ft
1 main span
Daily traffic
16,918
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside DR over Tujunga Wash is a concrete box beam or girders - multiple carrying Riverside DR over Tujunga Wash in Los Angeles County, California. It was built in 1950 and reconstructed in 1967, so it is 75 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 16,918 vehicles a day, roughly 2% of them trucks, projected to reach 18,985 by 2041. The structure is 155 ft (47.2 m) long and 96 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiverside DR
CrossesTujunga Wash
LocationRiverside Dr/Whitsett Av
RouteCity Street 0
Coordinates34.15745, -118.40509
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span144 ft (43.9 m)
Deck width96 ft (29.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,918 (2020)
Projected traffic18,985 by 2041
Trucks2%
Lanes on structure5
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 Riverside DR over Tujunga Wash built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1967.

What condition is Riverside DR 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 September 2024.

How much traffic does Riverside DR over Tujunga Wash carry?

About 16,918 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Riverside DR over Tujunga Wash?

The structure is 155 ft (47.2 m) long with a longest span of 144 ft (43.9 m) and a deck 96 ft wide.

Who owns Riverside DR over Tujunga Wash?

It is owned by the City or Municipal Highway Agency.