US Bridges

Westside Parkway over Truxtun Avenue

Good

Kern County, California · NE of Commercial Way · Structure no. 50C0358

Built
2012
13 years old, rebuilt 2019
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
1 main span
Daily traffic
20,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westside Parkway over Truxtun Avenue is a prestressed concrete box beam or girders - multiple carrying Westside Parkway over Truxtun Avenue in Kern County, California. It was built in 2012 and reconstructed in 2019, so it is 13 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 28,194 by 2045. The structure is 137 ft (41.9 m) long and 195 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWestside Parkway
CrossesTruxtun Avenue
LocationNE of Commercial Way
RouteCity Street 0
Coordinates35.37032, -119.05877
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length137 ft (41.9 m)
Longest span133 ft (40.5 m)
Deck width195 ft (59.4 m)
Roadway width184 ft (56.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2015)
Projected traffic28,194 by 2045
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Westside Parkway over Truxtun Avenue built?

It was built in 2012, making it 13 years old in 2025. It was reconstructed in 2019.

What condition is Westside Parkway over Truxtun Avenue 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 Westside Parkway over Truxtun Avenue carry?

About 20,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Westside Parkway over Truxtun Avenue?

The structure is 137 ft (41.9 m) long with a longest span of 133 ft (40.5 m) and a deck 195 ft wide.

Who owns Westside Parkway over Truxtun Avenue?

It is owned by the City or Municipal Highway Agency.