Structure 47033444 · Meade County, SD

I090 W over Junction AVE - Sturgis

Carries I090 W over Junction AVE - Sturgis, Sturgis Interchange.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT224 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

224 ft end to end, longest span 97 ft: about 3 semi-trucks nose to tail. 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.

Built200521 years old
Length224.1 ft68.3 m
Daily traffic11,744counted 2024
Last inspectedAugust 2024every 24 months

Location

StateSouth Dakota
CountyMeade
LocationSturgis Interchange
CarriesI090 W
CrossesJunction AVE - Sturgis
Coordinates44.39535, -103.50368

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length224.1 ft (68.3 m)
Max Span97.4 ft (29.7 m)
Deck Width42.7 ft (13 m)
Deck Area887.9 sq m
Main Spans3
Year Built2005

Traffic

Avg Daily Traffic11,744 (2024)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000047033444

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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