US Bridges

Canzonet ST over Calabasas Creek

Good

Los Angeles County, California · 0.45 M E Valley Circle Bl · Structure no. 53C1119

Built
1968
57 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
1,100
2016 count
Owner
County
County Highway Agency

About this bridge

Canzonet ST over Calabasas Creek is a concrete culvert carrying Canzonet ST over Calabasas Creek in Los Angeles County, California. It was built in 1968, so it is 57 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 1,100 vehicles a day, roughly 1% of them trucks, projected to reach 2,381 by 2043. The structure is 39 ft (11.9 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanzonet ST
CrossesCalabasas Creek
Location0.45 M E Valley Circle Bl
RouteCity Street 0
Coordinates34.16646, -118.6341
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width62 ft (18.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2016)
Projected traffic2,381 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty 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 Canzonet ST over Calabasas Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Canzonet ST over Calabasas Creek 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 December 2023.

How much traffic does Canzonet ST over Calabasas Creek carry?

About 1,100 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Canzonet ST over Calabasas Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 62 ft wide.

Who owns Canzonet ST over Calabasas Creek?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.