US Bridges

Business 58 East over State Route 58

Fair

Kern County, California · 09-KER-058-M116.37 · Structure no. 50 0492

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
267 ft
2 main spans
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

Business 58 East over State Route 58 is a prestressed concrete continuous box beam or girders - multiple carrying Business 58 East over State Route 58 in Kern County, California. It was built in 2003, so it is 22 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 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 1,890 by 2040. The structure is 267 ft (81.5 m) long and 92 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBusiness 58 East
CrossesState Route 58
Location09-KER-058-M116.37
RouteCounty Highway 0
Coordinates35.03826, -118.10665
Functional classRural 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 inspectionJune 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 rating66.5 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length267 ft (81.5 m)
Longest span135 ft (41 m)
Deck width92 ft (28.1 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,890 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 Business 58 East over State Route 58 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Business 58 East 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 June 2023.

How much traffic does Business 58 East over State Route 58 carry?

About 1,300 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Business 58 East over State Route 58?

The structure is 267 ft (81.5 m) long with a longest span of 135 ft (41 m) and a deck 92 ft wide.

Who owns Business 58 East over State Route 58?

It is owned by the State Highway Agency.