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294 Street over Ponca Ck

Gregory County, South Dakota · rated Fair in the 2025 National Bridge Inventory

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

294 Street over Ponca Ck in Gregory County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 140 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 31 of the 51 inventoried bridges in Gregory County rated fair (60.8%); 5 (9.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous concrete stringer or multi-beam girder
Length	about 139 ft
Location	3.1W & 3S Burke
NBI structure number	000000027089250
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
345 Avenue over South Fork Whetstone Ck	2001	560	Good
SD047 over Ck	1957	552	Fair
SD047 over Ck	1957	552	Fair
SD044 over Bull Ck	1971	540	Good
SD044 over Lone Tree Ck	1971	540	Fair
SD044 over Dixon Ck	1971	540	Fair