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159TH Street over Creek

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

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

159TH Street over Creek in Spink 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 1950, making it 75 years old at the 2025 inventory.
It carries about 31 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 53 of the 176 inventoried bridges in Spink County rated poor (30.1%); 53 (30.1%) 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	Steel stringer or multi-beam girder
Length	about 32 ft
Location	9.2W & 2N Turton
NBI structure number	000000058208110
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US281 over Turtle Ck	1963	2,141	Fair
US281 over Snake Ck	1978	2,141	Fair
US281 over BNSF RR	1998	1,891	Fair
US212 over Turtle Ck	2017	1,638	Fair
US212 over James Rv	1968	1,554	Fair
US212 over Timber Ck	2007	1,202	Good