US Bridges

Westsidepky Offrmp over Friant-Kern Canal

Good

Kern County, California · Near Brimhall Road · Structure no. 50C0348

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
5,150
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westsidepky Offrmp over Friant-Kern Canal is a prestressed concrete stringer/multi-beam or girder carrying Westsidepky Offrmp over Friant-Kern Canal in Kern County, California. It was built in 2011, so it is 14 years old, younger 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 5,150 vehicles a day, roughly 8% of them trucks, projected to reach 6,244 by 2041. The structure is 173 ft (52.7 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWestsidepky Offrmp
CrossesFriant-Kern Canal
LocationNear Brimhall Road
RouteCity Street 0
Coordinates35.36872, -119.08769
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span108 ft (33 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2015)
Projected traffic6,244 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Westsidepky Offrmp over Friant-Kern Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is Westsidepky Offrmp over Friant-Kern Canal 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 October 2023.

How much traffic does Westsidepky Offrmp over Friant-Kern Canal carry?

About 5,150 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Westsidepky Offrmp over Friant-Kern Canal?

The structure is 173 ft (52.7 m) long with a longest span of 108 ft (33 m) and a deck 39 ft wide.

Who owns Westsidepky Offrmp over Friant-Kern Canal?

It is owned by the City or Municipal Highway Agency.