US Bridges

Edison Road over SR 58

Fair

Kern County, California · 06-KER-058-R61.51 · Structure no. 50 0361

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
218 ft
2 main spans
Daily traffic
2,787
2013 count
Owner
State
State Highway Agency

About this bridge

Edison Road over SR 58 is a concrete continuous box beam or girders - multiple carrying Edison Road over SR 58 in Kern County, California. It was built in 1970, so it is 55 years old, older 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 2,787 vehicles a day, roughly 15% of them trucks, projected to reach 4,504 by 2041. The structure is 218 ft (66.4 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesEdison Road
CrossesSR 58
Location06-KER-058-R61.51
RouteCounty Highway 0
CountyKern County
StateCalifornia
Coordinates35.34589, -118.87872
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span111 ft (33.8 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,787 (2013)
Projected traffic4,504 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 Edison Road over SR 58 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Edison Road over SR 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 September 2023.

How much traffic does Edison Road over SR 58 carry?

About 2,787 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is Edison Road over SR 58?

The structure is 218 ft (66.4 m) long with a longest span of 111 ft (33.8 m) and a deck 40 ft wide.

Who owns Edison Road over SR 58?

It is owned by the State Highway Agency.