Structure 38110195 · Jones County, SD

I090 W over 264 AVE

Carries I090 W over 264 AVE, 2.2 E Okaton Interch.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT106 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

106 ft end to end, longest span 38 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.

Built196957 years old
Length106.0 ft32.3 m
Daily traffic3,276counted 2024
Last inspectedMarch 2023every 48 months

Location

StateSouth Dakota
CountyJones
Location2.2 E Okaton Interch
CarriesI090 W
Crosses264 AVE
Coordinates43.88676, -100.84500

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length106.0 ft (32.3 m)
Max Span38.1 ft (11.6 m)
Deck Width40.7 ft (12.4 m)
Deck Area400.5 sq m
Main Spans3
Year Built1969

Traffic

Avg Daily Traffic3,276 (2024)
Truck Traffic29%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000038110195

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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