US Bridges

Canwood ST over Cheseboro Chan

Fair

Los Angeles County, California · 1.2MI E/O Kanan RD · Structure no. 53C1971

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
5,665
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canwood ST over Cheseboro Chan is a prestressed concrete stringer/multi-beam or girder carrying Canwood ST over Cheseboro Chan in Los Angeles County, California. It was built in 1992, so it is 33 years old, younger 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 5,665 vehicles a day, roughly 2% of them trucks, projected to reach 6,515 by 2043. The structure is 68 ft (20.7 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCanwood ST
CrossesCheseboro Chan
Location1.2MI E/O Kanan RD
RouteCity Street 7N11
CountyLos Angeles County
StateCalifornia
Coordinates34.14348, -118.74218
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,665 (2017)
Projected traffic6,515 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Canwood ST over Cheseboro Chan built?

It was built in 1992, making it 33 years old in 2025.

What condition is Canwood ST over Cheseboro Chan 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 April 2024.

How much traffic does Canwood ST over Cheseboro Chan carry?

About 5,665 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Canwood ST over Cheseboro Chan?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns Canwood ST over Cheseboro Chan?

It is owned by the City or Municipal Highway Agency.