US Bridges

State Route 58 WB over Cache Creek

Good

Kern County, California · 09-KER-058-R99.81 · Structure no. 50 0540L

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Girder and Floorbeam System
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
19,500
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 58 WB over Cache Creek is a prestressed concrete girder and floorbeam system carrying State Route 58 WB over Cache Creek in Kern County, California. It was built in 2020, so it is 5 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 19,500 vehicles a day, roughly 33% of them trucks, projected to reach 35,573 by 2043. The structure is 111 ft (33.8 m) long and 43 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesState Route 58 WB
CrossesCache Creek
Location09-KER-058-R99.81
RouteState Highway 58
CountyKern County
StateCalifornia
Coordinates35.10764, -118.31809
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: 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 typeGirder and Floorbeam System
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span111 ft (33.8 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2016)
Projected traffic35,573 by 2043
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 58 WB over Cache Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is State Route 58 WB over Cache Creek 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 May 2023.

How much traffic does State Route 58 WB over Cache Creek carry?

About 19,500 vehicles per day (2016 count), of which roughly 33% are trucks.

How long is State Route 58 WB over Cache Creek?

The structure is 111 ft (33.8 m) long with a longest span of 111 ft (33.8 m) and a deck 43 ft wide.

Who owns State Route 58 WB over Cache Creek?

It is owned by the State Highway Agency.