US Bridges

State Route 58 WB over Sand Canyon Road

Fair

Kern County, California · 09-KER-058-R99.49 · Structure no. 50 0520L

Built
2014
11 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
10,000
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 58 WB over Sand Canyon Road is a concrete continuous slab carrying State Route 58 WB over Sand Canyon Road in Kern County, California. It was built in 2014, so it is 11 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 10,000 vehicles a day, projected to reach 40,167 by 2040. The structure is 113 ft (34.4 m) long and 42 ft wide.

CarriesState Route 58 WB
CrossesSand Canyon Road
Location09-KER-058-R99.49
RouteState Highway 58
Coordinates35.11017, -118.32291
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2016)
Projected traffic40,167 by 2040
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 State Route 58 WB over Sand Canyon Road built?

It was built in 2014, making it 11 years old in 2025.

What condition is State Route 58 WB over Sand Canyon Road 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 May 2023.

How much traffic does State Route 58 WB over Sand Canyon Road carry?

About 10,000 vehicles per day (2016 count).

How long is State Route 58 WB over Sand Canyon Road?

The structure is 113 ft (34.4 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns State Route 58 WB over Sand Canyon Road?

It is owned by the State Highway Agency.