US Bridges

Westside Parkway over Friant-Kern Canal

Fair

Kern County, California · Near Brimhall Road · Structure no. 50C0347

Built
2011
14 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
20,530
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westside Parkway over Friant-Kern Canal is a prestressed concrete stringer/multi-beam or girder carrying Westside Parkway 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 fair condition with a lowest component rating of 6 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 20,530 vehicles a day, roughly 8% of them trucks, projected to reach 30,182 by 2041. The structure is 173 ft (52.6 m) long and 168 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWestside Parkway
CrossesFriant-Kern Canal
LocationNear Brimhall Road
RouteCity Street 0
CountyKern County
StateCalifornia
Coordinates35.36823, -119.08769
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length173 ft (52.6 m)
Longest span108 ft (32.9 m)
Deck width168 ft (51.2 m)
Roadway width165 ft (50.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,530 (2015)
Projected traffic30,182 by 2041
Trucks8%
Lanes on structure6
Traffic directionTwo-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 Westside Parkway over Friant-Kern Canal built?

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

What condition is Westside Parkway over Friant-Kern Canal 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 October 2023.

How much traffic does Westside Parkway over Friant-Kern Canal carry?

About 20,530 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Westside Parkway over Friant-Kern Canal?

The structure is 173 ft (52.6 m) long with a longest span of 108 ft (32.9 m) and a deck 168 ft wide.

Who owns Westside Parkway over Friant-Kern Canal?

It is owned by the City or Municipal Highway Agency.