US Bridges

US Highway 101 SB over Tujunga Ave

Good

Los Angeles County, California · 07-LA-101-11.83L-LA · Structure no. 53 1338L

Built
1959
66 years old, rebuilt 2011
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
103 ft
1 main span
Daily traffic
118,000
2021 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over Tujunga Ave is a concrete box beam or girders - multiple carrying US Highway 101 SB over Tujunga Ave in Los Angeles County, California. It was built in 1959 and reconstructed in 2011, 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 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 118,000 vehicles a day, roughly 10% of them trucks, projected to reach 156,337 by 2042. The structure is 103 ft (31.4 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 101 SB
CrossesTujunga Ave
Location07-LA-101-11.83L-LA
RouteU.S. Route 101
Coordinates34.15395, -118.37889
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 inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating77.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span93 ft (28.3 m)
Deck width98 ft (30 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118,000 (2021)
Projected traffic156,337 by 2042
Trucks10%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US Highway 101 SB over Tujunga Ave built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2011.

What condition is US Highway 101 SB over Tujunga Ave 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 March 2024.

How much traffic does US Highway 101 SB over Tujunga Ave carry?

About 118,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US Highway 101 SB over Tujunga Ave?

The structure is 103 ft (31.4 m) long with a longest span of 93 ft (28.3 m) and a deck 98 ft wide.

Who owns US Highway 101 SB over Tujunga Ave?

It is owned by the State Highway Agency.