US Bridges

State Route 58 over East Side Canal

Fair

Kern County, California · 06-KER-058-28.41 · Structure no. 50 0017

Built
1951
74 years old, rebuilt 1990
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
9,000
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 58 over East Side Canal is a concrete continuous culvert carrying State Route 58 over East Side Canal in Kern County, California. It was built in 1951 and reconstructed in 1990, so it is 74 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 9,000 vehicles a day, roughly 29% of them trucks, projected to reach 17,000 by 2040. The structure is 30 ft (9 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 58
CrossesEast Side Canal
Location06-KER-058-28.41
RouteState Highway 58
Coordinates35.39909, -119.45351
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9 m)
Longest span13 ft (4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2016)
Projected traffic17,000 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 58 over East Side Canal built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1990.

What condition is State Route 58 over East Side Canal 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 May 2023.

How much traffic does State Route 58 over East Side Canal carry?

About 9,000 vehicles per day (2016 count), of which roughly 29% are trucks.

How long is State Route 58 over East Side Canal?

The structure is 30 ft (9 m) long with a longest span of 13 ft (4 m) and a deck 44 ft wide.

Who owns State Route 58 over East Side Canal?

It is owned by the State Highway Agency.