Structure 169430000000000 · Sequoyah County, OK

I-40 WB over Dwight Mission RD Under

Carries I-40 WB over Dwight Mission RD Under, 13.02 E Muskogee C/l.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT109 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

109 ft end to end, longest span 43 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 slab bridge.

Built1967rebuilt 2015
Length108.9 ft33.2 m
Daily traffic9,800counted 2022
Last inspectedOctober 2023every 24 months

Location

StateOklahoma
CountySequoyah
Location13.02 E Muskogee C/l
CarriesI-40 WB
CrossesDwight Mission RD Under
Coordinates35.45430, -94.88491

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length108.9 ft (33.2 m)
Max Span43.0 ft (13.1 m)
Deck Width40.0 ft (12.2 m)
Deck Area405.0 sq m
Main Spans3
Year Built1967 (reconstructed 2015)

Traffic

Avg Daily Traffic9,800 (2022)
Truck Traffic36%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number169430000000000

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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