Structure 27461331 · Gregory County, SD

Lodge Road over Randall Ck

Carries Lodge Road over Randall Ck, 13.1e & 0.1s Fairfax.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9Substructure 6/9 · sets the rating

40 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.

Built198442 years old
Length40.0 ft12.2 m
Daily traffic36counted 2022
Last inspectedJuly 2024every 24 months

Location

StateSouth Dakota
CountyGregory
Location13.1e & 0.1s Fairfax
CarriesLodge Road
CrossesRandall Ck
Coordinates43.02307, -98.62427

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length40.0 ft (12.2 m)
Max Span38.1 ft (11.6 m)
Deck Width26.2 ft (8 m)
Deck Area97.6 sq m
Main Spans1
Year Built1984

Traffic

Avg Daily Traffic36 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000027461331

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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