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161ST Street over S Fork Snake Creek

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

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

161ST Street over S Fork Snake Creek in Faulk 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 3 (serious condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1968, making it 95 years old at the 2025 inventory.
It carries about 36 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 11 of the 46 inventoried bridges in Faulk County rated poor (23.9%); 11 (23.9%) 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 76 ft
Location	11N & 1.9W Zell
NBI structure number	000000025391130
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
SD045 over South Fork Snake Ck	1975	855	Fair
US212 over Trib Ford Lake	2021	717	Good
US212 over Trib S Fork Snake Ck	2021	717	Good
US212 over Dry Run Ck	2008	710	Fair
US212 over South Fork Snake Ck	1939	688	Poor
SD020 over Ck	1975	661	Fair