US Bridges

34th Street over Kern Island Canal

Fair

Kern County, California · West of Union · Structure no. 50C0145

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
10,689
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

34th Street over Kern Island Canal is a concrete continuous culvert carrying 34th Street over Kern Island Canal in Kern County, California. It was built in 1972, so it is 53 years old, younger 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 10,689 vehicles a day, roughly 1% of them trucks, projected to reach 22,172 by 2042. The structure is 24 ft (7.3 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries34th Street
CrossesKern Island Canal
LocationWest of Union
RouteCity Street 0
Coordinates35.39036, -119.00465
Functional classUrban 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width78 ft (23.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,689 (2010)
Projected traffic22,172 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 34th Street over Kern Island Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is 34th Street over Kern Island 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 December 2024.

How much traffic does 34th Street over Kern Island Canal carry?

About 10,689 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 34th Street over Kern Island Canal?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 78 ft wide.

Who owns 34th Street over Kern Island Canal?

It is owned by the City or Municipal Highway Agency.