US Bridges

Kanan RD over Triunfo CR

Good

Los Angeles County, California · 3.0MI S/O US-101 Fwy · Structure no. 53C0775

Built
1962
63 years old, rebuilt 1994
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
65 ft
1 main span
Daily traffic
6,592
2017 count
Owner
County
County Highway Agency

About this bridge

Kanan RD over Triunfo CR is a concrete tee beam carrying Kanan RD over Triunfo CR in Los Angeles County, California. It was built in 1962 and reconstructed in 1994, so it is 63 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 6,592 vehicles a day, roughly 1% of them trucks, projected to reach 7,581 by 2043. The structure is 65 ft (19.8 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKanan RD
CrossesTriunfo CR
Location3.0MI S/O US-101 Fwy
RouteCounty Highway 0W482
Coordinates34.11916, -118.781
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,592 (2017)
Projected traffic7,581 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kanan RD over Triunfo CR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1994.

What condition is Kanan RD over Triunfo CR 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 November 2024.

How much traffic does Kanan RD over Triunfo CR carry?

About 6,592 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Kanan RD over Triunfo CR?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.

Who owns Kanan RD over Triunfo CR?

It is owned by the County Highway Agency.