US Bridges

Renfro Road over State Route 58

Fair

Kern County, California · 06-KER-058-R44.36-BKD · Structure no. 50 0548

Built
2015
10 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
2,012
2016 count
Owner
State
State Highway Agency

About this bridge

Renfro Road over State Route 58 is a prestressed concrete continuous box beam or girders - multiple carrying Renfro Road over State Route 58 in Kern County, California. It was built in 2015, so it is 10 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 2,012 vehicles a day, roughly 3% of them trucks, projected to reach 5,118 by 2045. The structure is 212 ft (64.6 m) long and 106 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRenfro Road
CrossesState Route 58
Location06-KER-058-R44.36-BKD
RouteCity Street 0
CountyKern County
StateCalifornia
Coordinates35.36, -119.16306
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 length212 ft (64.6 m)
Longest span115 ft (35.1 m)
Deck width106 ft (32.2 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,012 (2016)
Projected traffic5,118 by 2045
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Renfro Road over State Route 58 built?

It was built in 2015, making it 10 years old in 2025.

What condition is Renfro Road 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 Renfro Road over State Route 58 carry?

About 2,012 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Renfro Road over State Route 58?

The structure is 212 ft (64.6 m) long with a longest span of 115 ft (35.1 m) and a deck 106 ft wide.

Who owns Renfro Road over State Route 58?

It is owned by the State Highway Agency.