US Bridges

U.S. Highway 101 over Tujunga Wash

Fair

Los Angeles County, California · 07-LA-101-13.27-LA · Structure no. 53 1337

Built
1959
66 years old, rebuilt 2006
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
3 main spans
Daily traffic
286,000
2020 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Tujunga Wash is a steel stringer/multi-beam or girder carrying U.S. Highway 101 over Tujunga Wash in Los Angeles County, California. It was built in 1959 and reconstructed in 2006, so it is 66 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 286,000 vehicles a day, roughly 10% of them trucks, projected to reach 303,837 by 2042. The structure is 183 ft (55.8 m) long and 154 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesU.S. Highway 101
CrossesTujunga Wash
Location07-LA-101-13.27-LA
RouteU.S. Route 101
CountyLos Angeles County
StateCalifornia
Coordinates34.15667, -118.40325
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span168 ft (51.2 m)
Deck width154 ft (46.8 m)
Roadway width148 ft (45.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic286,000 (2020)
Projected traffic303,837 by 2042
Trucks10%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. Highway 101 over Tujunga Wash built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2006.

What condition is U.S. Highway 101 over Tujunga Wash 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 May 2024.

How much traffic does U.S. Highway 101 over Tujunga Wash carry?

About 286,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Tujunga Wash?

The structure is 183 ft (55.8 m) long with a longest span of 168 ft (51.2 m) and a deck 154 ft wide.

Who owns U.S. Highway 101 over Tujunga Wash?

It is owned by the State Highway Agency.