Structure 82040000000000 · Kay County, OK

N3350 over Chilocco Creek

Carries N3350 over Chilocco Creek, 1.2e 6.2n Of Newkirk.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

34 ft end to end. 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.

Built194086 years old
Length34.1 ft10.4 m
Daily traffic25counted 2022
Last inspectedJanuary 2024every 12 months

Location

StateOklahoma
CountyKay
Location1.2e 6.2n Of Newkirk
CarriesN3350
CrossesChilocco Creek
Coordinates36.97390, -97.03047

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length34.1 ft (10.4 m)
Max Span28.9 ft (8.8 m)
Deck Width21.0 ft (6.4 m)
Deck Area66.6 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic25 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number082040000000000

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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