Structure 50199170 · Minnehaha County, SD

60th Street North over Silver Creek

Carries 60th Street North over Silver Creek, West Of Minnesota Avenue.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT101 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

101 ft end to end, longest span 26 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.

Built194878 years old
Length101.0 ft30.8 m
Daily traffic11,300counted 2022
Last inspectedOctober 2024every 24 months

Location

StateSouth Dakota
CountyMinnehaha
LocationWest Of Minnesota Avenue
Carries60th Street North
CrossesSilver Creek
Coordinates43.60202, -96.73149

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length101.0 ft (30.8 m)
Max Span25.9 ft (7.9 m)
Deck Width34.4 ft (10.5 m)
Deck Area323.4 sq m
Main Spans4
Year Built1948

Traffic

Avg Daily Traffic11,300 (2022)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000050199170

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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