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188 Street over Hidewood Ck

Deuel County, South Dakota · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

188 Street over Hidewood Ck in Deuel County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 90 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 13 of the 72 inventoried bridges in Deuel County rated poor (18.1%); 13 (18.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 64 ft
Location	6N & 1.8E Estelline
NBI structure number	000000020008220
Condition class	Poor

Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.

Bridge	Built	Vehicles/day	Condition
I029 over Deer Ck	1971	7,560	Fair
I029 S over 471 Ave	1973	4,870	Fair
I029 N over 471 Ave	1973	4,870	Fair
I029 S over Peg Munky Run Ck	1973	4,870	Fair
I029 N over Peg Munky Run Ck	1973	4,870	Fair
I029 S over 184 St	1973	4,830	Fair