Structure 480610 · Kingman County, KS

Rs 989 SE 160 AVE over S. Fork Ninnescah River

Carries Rs 989 SE 160 AVE over S. Fork Ninnescah River, 8.0n 1.3e Of Norwich.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT678 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

678 ft end to end, longest span 70 ft: about 1.9 football fields. 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 multi-beam bridge.

Built196066 years old
Length678.5 ft206.8 m
Daily traffic285counted 2021
Last inspectedJanuary 2023every 24 months

Location

StateKansas
CountyKingman
Location8.0n 1.3e Of Norwich
CarriesRs 989 SE 160 AVE
CrossesS. Fork Ninnescah River
Coordinates37.57308, -97.82608

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length678.5 ft (206.8 m)
Max Span69.9 ft (21.3 m)
Deck Width26.2 ft (8 m)
Deck Area1654.4 sq m
Main Spans10
Year Built1960

Traffic

Avg Daily Traffic285 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000480610

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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