US Bridges

White Lane over Kern Island Canal

Good

Kern County, California · East of South H ST · Structure no. 50C0153

Built
1964
61 years old, rebuilt 1984
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
26,300
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

White Lane over Kern Island Canal is a concrete continuous culvert carrying White Lane over Kern Island Canal in Kern County, California. It was built in 1964 and reconstructed in 1984, so it is 61 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 26,300 vehicles a day, roughly 2% of them trucks, projected to reach 45,044 by 2043. The structure is 27 ft (8.2 m) long and 103 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhite Lane
CrossesKern Island Canal
LocationEast of South H ST
RouteCity Street 0
Coordinates35.31769, -119.02106
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span9 ft (2.7 m)
Deck width103 ft (31.3 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,300 (2005)
Projected traffic45,044 by 2043
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 White Lane over Kern Island Canal built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1984.

What condition is White Lane over Kern Island Canal 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 November 2023.

How much traffic does White Lane over Kern Island Canal carry?

About 26,300 vehicles per day (2005 count), of which roughly 2% are trucks.

How long is White Lane over Kern Island Canal?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m) and a deck 103 ft wide.

Who owns White Lane over Kern Island Canal?

It is owned by the City or Municipal Highway Agency.