US Bridges

U.S. Highway 101 over Canoga Ave

Fair

Los Angeles County, California · 07-LA-101-24.85-LA · Structure no. 53 1063

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
92 ft
1 main span
Daily traffic
285,000
2018 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Canoga Ave is a concrete box beam or girders - multiple carrying U.S. Highway 101 over Canoga Ave in Los Angeles County, California. It was built in 1957, so it is 68 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 285,000 vehicles a day, roughly 10% of them trucks, projected to reach 287,966 by 2046. The structure is 92 ft (28 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesCanoga Ave
Location07-LA-101-24.85-LA
RouteU.S. Route 101
Coordinates34.16962, -118.59733
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.
Last inspectionMay 2024
Inspection intervalevery 24 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 rating71.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width139 ft (42.5 m)
Roadway width135 ft (41 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285,000 (2018)
Projected traffic287,966 by 2046
Trucks10%
Lanes on structure10
Traffic directionTwo-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 U.S. Highway 101 over Canoga Ave built?

It was built in 1957, making it 68 years old in 2025.

What condition is U.S. Highway 101 over Canoga Ave 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 Canoga Ave carry?

About 285,000 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Canoga Ave?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 139 ft wide.

Who owns U.S. Highway 101 over Canoga Ave?

It is owned by the State Highway Agency.