Structure 37225100 · Jerauld County, SD

230 Street over Firesteel Ck

Carries 230 Street over Firesteel Ck, 1s 3w Lane.

Overall conditionPoor

Set by its lowest-rated component: Deck and Substructure at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructure6/9 · Satisfactory
Substructuresets the rating3/9 · Serious
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT122 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 6/9Substructure 3/9 · sets the rating

122 ft end to end, longest span 40 ft. 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.

Built193789 years old
Length122.0 ft37.2 m
Daily traffic20counted 2022
Last inspectedAugust 2024every 12 months

Location

StateSouth Dakota
CountyJerauld
Location1s 3w Lane
Carries230 Street
CrossesFiresteel Ck
Coordinates44.05296, -98.48034

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length122.0 ft (37.2 m)
Max Span40.0 ft (12.2 m)
Deck Width33.5 ft (10.2 m)
Deck Area379.4 sq m
Main Spans3
Year Built1937

Traffic

Avg Daily Traffic20 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000037225100

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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