US Bridges

S Chester Ave Oc over Route 58

Good

Kern County, California · 06-KER-058-R53.52-BKD · Structure no. 50 0349

Built
1976
49 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
220 ft
2 main spans
Daily traffic
20,000
2016 count
Owner
State
State Highway Agency

About this bridge

S Chester Ave Oc over Route 58 is a prestressed concrete continuous box beam or girders - multiple carrying S Chester Ave Oc over Route 58 in Kern County, California. It was built in 1976, so it is 49 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 20,000 vehicles a day, roughly 10% of them trucks, projected to reach 35,000 by 2040. The structure is 220 ft (67.1 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Chester Ave Oc
CrossesRoute 58
Location06-KER-058-R53.52-BKD
RouteCity Street 0F294
Coordinates35.35285, -119.01909
Functional classUrban Other Principal Arterial

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span111 ft (33.7 m)
Deck width103 ft (31.4 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2016)
Projected traffic35,000 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 S Chester Ave Oc over Route 58 built?

It was built in 1976, making it 49 years old in 2025.

What condition is S Chester Ave Oc over Route 58 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 S Chester Ave Oc over Route 58 carry?

About 20,000 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is S Chester Ave Oc over Route 58?

The structure is 220 ft (67.1 m) long with a longest span of 111 ft (33.7 m) and a deck 103 ft wide.

Who owns S Chester Ave Oc over Route 58?

It is owned by the State Highway Agency.