Structure 50C0153 · Kern County, CA

White Lane over Kern Island Canal

Carries White Lane over Kern Island Canal, East Of South H ST.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 27 ft across with 3 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.

Built1964rebuilt 1984
Length26.9 ft8.2 m
Daily traffic26,300counted 2005
Last inspectedNovember 2023every 24 months

Location

StateCalifornia
CountyKern
LocationEast Of South H ST
CarriesWhite Lane
CrossesKern Island Canal
Coordinates35.31769, -119.02106

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length26.9 ft (8.2 m)
Max Span8.9 ft (2.7 m)
Deck Width102.7 ft (31.3 m)
Deck Area256.7 sq m
Main Spans3
Year Built1964 (reconstructed 1984)

Traffic

Avg Daily Traffic26,300 (2005)
Truck Traffic2%
Lanes On Bridge6

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number50C0153

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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