Structure 120367903060 · Cheyenne County, KS

Bb Road over Henkle Canyon

Carries Bb Road over Henkle Canyon, 14.5n 1.5w Of Bird City.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT55 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

55 ft end to end, longest span 19 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built198541 years old
Length55.4 ft16.9 m
Daily traffic20counted 2020
Last inspectedJanuary 2025every 24 months

Location

StateKansas
CountyCheyenne
Location14.5n 1.5w Of Bird City
CarriesBb Road
CrossesHenkle Canyon
Coordinates39.95945, -101.56081

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length55.4 ft (16.9 m)
Max Span19.0 ft (5.8 m)
Deck Width24.0 ft (7.3 m)
Deck Area123.4 sq m
Main Spans3
Year Built1985

Traffic

Avg Daily Traffic20 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000120367903060

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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