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SD063 over Hermaphrodite Ck

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

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

SD063 over Hermaphrodite Ck in Haakon County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 405 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 23 of the 69 inventoried bridges in Haakon County rated good (33.3%); 8 (11.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 216 ft
Location	0.5 S Zieb-haak Co Line
NBI structure number	000000028392038
Condition class	Good

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