US Bridges

Calloway Drive over State Route 58

Fair

Kern County, California · 06-KER-058-R47.05-BKD · Structure no. 50 0553

Built
2011
14 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
291 ft
2 main spans
Daily traffic
26,177
2010 count
Owner
State
State Highway Agency

About this bridge

Calloway Drive over State Route 58 is a prestressed concrete continuous box beam or girders - multiple carrying Calloway Drive over State Route 58 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 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 26,177 vehicles a day, roughly 8% of them trucks, projected to reach 38,270 by 2045. The structure is 291 ft (88.8 m) long and 133 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCalloway Drive
CrossesState Route 58
Location06-KER-058-R47.05-BKD
RouteCity Street 0
CountyKern County
StateCalifornia
Coordinates35.3625, -119.11611
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
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.
Last inspectionDecember 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length291 ft (88.8 m)
Longest span291 ft (88.8 m)
Deck width133 ft (40.4 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,177 (2010)
Projected traffic38,270 by 2045
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Calloway Drive over State Route 58 built?

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

What condition is Calloway Drive over State Route 58 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 December 2023.

How much traffic does Calloway Drive over State Route 58 carry?

About 26,177 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Calloway Drive over State Route 58?

The structure is 291 ft (88.8 m) long with a longest span of 291 ft (88.8 m) and a deck 133 ft wide.

Who owns Calloway Drive over State Route 58?

It is owned by the State Highway Agency.