US Bridges

N99 -E58 Connector over Wible Road

Good

Kern County, California · 06-KER-099-23.36-BKD · Structure no. 50 0536G

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
367 ft
3 main spans
Daily traffic
9,500
2017 count
Owner
State
State Highway Agency

About this bridge

N99 -E58 Connector over Wible Road is a prestressed concrete continuous box beam or girders - multiple carrying N99 -E58 Connector over Wible Road in Kern County, California. It was built in 2019, so it is 6 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 9,500 vehicles a day, roughly 23% of them trucks, projected to reach 13,000 by 2040. The structure is 367 ft (112 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN99 -E58 Connector
CrossesWible Road
Location06-KER-099-23.36-BKD
RouteState Highway 99
CountyKern County
StateCalifornia
Coordinates35.35049, -119.03892
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 spans3
Design loadGreater than HL 93
Structure length367 ft (112 m)
Longest span144 ft (44 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2017)
Projected traffic13,000 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N99 -E58 Connector over Wible Road built?

It was built in 2019, making it 6 years old in 2025.

What condition is N99 -E58 Connector over Wible Road 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 October 2023.

How much traffic does N99 -E58 Connector over Wible Road carry?

About 9,500 vehicles per day (2017 count), of which roughly 23% are trucks.

How long is N99 -E58 Connector over Wible Road?

The structure is 367 ft (112 m) long with a longest span of 144 ft (44 m) and a deck 42 ft wide.

Who owns N99 -E58 Connector over Wible Road?

It is owned by the State Highway Agency.