Structure 50 0380 · Kern County, CA

Interstate 5 over West Side Canal

Carries Interstate 5 over West Side Canal, 06-ker-005-71.61.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 34 ft across with 2 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built196759 years old
Length34.1 ft10.4 m
Daily traffic29,000counted 2009
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountyKern
Location06-ker-005-71.61
CarriesInterstate 5
CrossesWest Side Canal
Coordinates35.59946, -119.63938

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length34.1 ft (10.4 m)
Max Span15.1 ft (4.6 m)
Deck Area481.5 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic29,000 (2009)
Truck Traffic31%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number50 0380

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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