Structure 30210168 · Hand County, SD

365 AVE over Wolf Ck

Carries 365 AVE over Wolf Ck, 5 E & 8.2 N Miller.

Overall conditionPoor

Set by its lowest-rated component: Deck at 2 of 9.

How ratings work
Decksets the rating2/9 · Critical
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT43 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 2/9 · sets the ratingSuperstructure 5/9Substructure 5/9

43 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 through truss.

Built1915111 years old
Length43.0 ft13.1 m
Daily traffic43counted 2022
Last inspectedJuly 2015every 24 months

Location

StateSouth Dakota
CountyHand
Location5 E & 8.2 N Miller
Carries365 AVE
CrossesWolf Ck
Coordinates44.65142, -98.88688

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length43.0 ft (13.1 m)
Max Span40.0 ft (12.2 m)
Deck Width15.4 ft (4.7 m)
Deck Area61.6 sq m
Main Spans1
Year Built1915

Traffic

Avg Daily Traffic43 (2022)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2015
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalUnknown
Structure Number000000030210168

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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