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Brooker Rd over Hilder Brand Ck

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

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

Brooker Rd over Hilder Brand Ck in Butte 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 1985, making it 40 years old at the 2025 inventory.
It carries about 47 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 20 of the 142 inventoried bridges in Butte County rated poor (14.1%); 20 (14.1%) 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 24 ft
Location	14N 6.4E B Fourche
NBI structure number	000000010164240
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US085 over Hay Ck	1963	15,432	Fair
US085 over Belle Fourche Rv	1958	10,476	Fair
SD034 over Willow Ck	1939	3,961	Fair
SD034 over Redwater Rv	1992	3,547	Fair
SD034 over Redwater Canal	1964	3,547	Good
SD034 over False Bottom Ck	1992	3,547	Fair