Structure 14100018 · Clay County, SD

Sd019 over Vermillion Rv

Carries Sd019 over Vermillion Rv, 1.9 S Jct Sd 46.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

195 ft end to end: 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.

Built200422 years old
Length194.9 ft59.4 m
Daily traffic916counted 2024
Last inspectedFebruary 2025every 48 months

Location

StateSouth Dakota
CountyClay
Location1.9 S Jct Sd 46
CarriesSd019
CrossesVermillion Rv
Coordinates43.05768, -96.96373

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length194.9 ft (59.4 m)
Max Span190.9 ft (58.2 m)
Deck Width38.7 ft (11.8 m)
Deck Area700.9 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic916 (2024)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000014100018

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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