US Bridges

17th Street over Kern Island Canal

Fair

Kern County, California · East of "r" Street · Structure no. 50C0376

Built
2008
17 years old
Condition
Fair
inspected December 2023
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
200
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

17th Street over Kern Island Canal is a concrete arch - deck carrying 17th Street over Kern Island Canal in Kern County, California. It was built in 2008, so it is 17 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 5 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 324 by 2043. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries17th Street
CrossesKern Island Canal
LocationEast of "r" Street
RouteCity Street 0
Coordinates35.37414, -119.00929
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic324 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 17th Street over Kern Island Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is 17th 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 2023.

How much traffic does 17th Street over Kern Island Canal carry?

About 200 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 17th Street over Kern Island Canal?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns 17th Street over Kern Island Canal?

It is owned by the City or Municipal Highway Agency.