US Bridges

Wilson RD over Kern Island Canal

Good

Kern County, California · East of South H ST · Structure no. 50C0151

Built
1955
70 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
6,200
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilson RD over Kern Island Canal is a concrete continuous culvert carrying Wilson RD over Kern Island Canal in Kern County, California. It was built in 1955, so it is 70 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 6,200 vehicles a day, roughly 3% of them trucks, projected to reach 10,433 by 2045. The structure is 26 ft (7.9 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilson RD
CrossesKern Island Canal
LocationEast of South H ST
RouteCity Street 0
Coordinates35.33209, -119.02099
Functional classUrban Minor 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 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span9 ft (2.7 m)
Deck width67 ft (20.3 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2005)
Projected traffic10,433 by 2045
Trucks3%
Lanes on structure3
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 Wilson RD over Kern Island Canal built?

It was built in 1955, making it 70 years old in 2025.

What condition is Wilson RD 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 Wilson RD over Kern Island Canal carry?

About 6,200 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Wilson RD over Kern Island Canal?

The structure is 26 ft (7.9 m) long with a longest span of 9 ft (2.7 m) and a deck 67 ft wide.

Who owns Wilson RD over Kern Island Canal?

It is owned by the City or Municipal Highway Agency.