Structure 191120000000000 · Kay County, OK

S.h. 11 over Arkansas River

Carries S.h. 11 over Arkansas River, 14.1 Mi E Jct US 77.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,366 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

1,366 ft end to end, longest span 194 ft: about 3.8 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 girder bridge.

Built197551 years old
Length1366.1 ft416.4 m
Daily traffic830counted 2022
Last inspectedJune 2024every 24 months

Location

StateOklahoma
CountyKay
Location14.1 Mi E Jct US 77
CarriesS.h. 11
CrossesArkansas River
Coordinates36.76418, -96.82277

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length1366.1 ft (416.4 m)
Max Span193.9 ft (59.1 m)
Deck Width36.1 ft (11 m)
Deck Area4580.4 sq m
Main Spans7
Year Built1975

Traffic

Avg Daily Traffic830 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number191120000000000

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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