Structure 480220 · Kingman County, KS

Rs 359 NW 170 AVE over S. Fork Ninnescah River

Carries Rs 359 NW 170 AVE over S. Fork Ninnescah River, 1.5n Of Cunningham.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT483 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

483 ft end to end, longest span 64 ft: about 7 semi-trucks nose to tail. Lengths and the semi-truck 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 slab bridge.

Built200917 years old
Length482.9 ft147.2 m
Daily traffic470counted 2021
Last inspectedJune 2024every 24 months

Location

StateKansas
CountyKingman
Location1.5n Of Cunningham
CarriesRs 359 NW 170 AVE
CrossesS. Fork Ninnescah River
Coordinates37.66696, -98.42836

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length482.9 ft (147.2 m)
Max Span64.0 ft (19.5 m)
Deck Width34.1 ft (10.4 m)
Deck Area1530.9 sq m
Main Spans8
Year Built2009

Traffic

Avg Daily Traffic470 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000480220

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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