Structure 3080262 · Beadle County, SD

384th Avenue over Sand Creek

Carries 384th Avenue over Sand Creek, 5.5w & 2.7s Of Virgil.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT79 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

79 ft end to end, longest span 13 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.

Built192898 years old
Length79.1 ft24.1 m
Daily traffic56counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateSouth Dakota
CountyBeadle
Location5.5w & 2.7s Of Virgil
Carries384th Avenue
CrossesSand Creek
Coordinates44.25091, -98.53877

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length79.1 ft (24.1 m)
Max Span13.1 ft (4 m)
Deck Width21.7 ft (6.6 m)
Deck Area159.1 sq m
Main Spans6
Year Built1928

Traffic

Avg Daily Traffic56 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000003080262

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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