US Bridges

N Street over Kern Island Canal

Fair

Kern County, California · 150 Ft N of Brundage LN · Structure no. 50C0247

Built
1948
77 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
4,794
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Street over Kern Island Canal is a concrete continuous culvert carrying N Street over Kern Island Canal in Kern County, California. It was built in 1948, so it is 77 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 4,794 vehicles a day, roughly 1% of them trucks, projected to reach 5,665 by 2043. The structure is 34 ft (10.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Street
CrossesKern Island Canal
Location150 Ft N of Brundage LN
RouteCity Street 0
Coordinates35.35446, -119.01412
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span11 ft (3.4 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,794 (2010)
Projected traffic5,665 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 N Street over Kern Island Canal built?

It was built in 1948, making it 77 years old in 2025.

What condition is N 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 November 2023.

How much traffic does N Street over Kern Island Canal carry?

About 4,794 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is N Street over Kern Island Canal?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.4 m) and a deck 66 ft wide.

Who owns N Street over Kern Island Canal?

It is owned by the City or Municipal Highway Agency.