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SD063 over Bad Rv

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

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

SD063 over Bad Rv in Haakon 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 265 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 38 of the 69 inventoried bridges in Haakon County rated fair (55.1%); 8 (11.6%) 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 steel stringer or multi-beam girder
Length	about 283 ft
Location	0.3 S Jct US 14
NBI structure number	000000028423469
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US014 over Ck	1955	978	Fair
US014 over Ck	1955	978	Fair
US014 over North Fork Bad Rv	1995	978	Fair
SD073 over West Plum Ck	1990	700	Fair
SD073 over Grindstone Ck	1954	700	Fair
US014 over Ck	1954	660	Fair