Structure 58198170 · Spink County, SD

165th ST over Dry Run Creek

Carries 165th ST over Dry Run Creek, 4s & 10.2w Turton.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

45 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 tee-beam bridge.

Built200719 years old
Length44.9 ft13.7 m
Daily traffic179counted 2022
Last inspectedJuly 2023every 24 months

Location

StateSouth Dakota
CountySpink
Location4s & 10.2w Turton
Carries165th ST
CrossesDry Run Creek
Coordinates44.99627, -98.31471

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length44.9 ft (13.7 m)
Max Span44.0 ft (13.4 m)
Deck Width30.5 ft (9.3 m)
Deck Area127.4 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic179 (2022)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000058198170

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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