US Bridges

Cameron Road over State Route 58

Good

Kern County, California · 09-KER-058-R101.56 · Structure no. 50 0347

Built
1970
55 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
600
2016 count
Owner
State
State Highway Agency

About this bridge

Cameron Road over State Route 58 is a concrete continuous box beam or girders - multiple carrying Cameron Road over State Route 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 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 600 vehicles a day, roughly 20% of them trucks, projected to reach 1,216 by 2040. The structure is 215 ft (65.5 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCameron Road
CrossesState Route 58
Location09-KER-058-R101.56
RouteCounty Highway 0
Coordinates35.0997, -118.29291
Functional classRural Local

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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span116 ft (35.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2016)
Projected traffic1,216 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 Cameron Road over State Route 58 built?

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

What condition is Cameron Road over State 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 Cameron Road over State Route 58 carry?

About 600 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is Cameron Road over State Route 58?

The structure is 215 ft (65.5 m) long with a longest span of 116 ft (35.4 m) and a deck 42 ft wide.

Who owns Cameron Road over State Route 58?

It is owned by the State Highway Agency.