South Dakota State Capitol South Dakota State Capitol The South Dakota State Capitol is the state capitol building of the U.S. state of South Dakota. Housing the South Dakota State Legislature, it is located in the state capitol of Pierre at 500 East Capitol Avenue. The building houses the offices of most state officials, including the Governor of South Dakota. The building was constructed between 1905 and 1910. The designs for the building were executed by the Minneapolis architectural firm of Bell & Detweiler, who gave the building similar features to the Montana State Capitol in Helena, Montana. The planning and construction cost was
South Dakota Highway 123 South Dakota Highway 123 South Dakota Highway 123 (SD 123) is a state highway in the U.S. state of South Dakota that runs from U.S. Route 12 (US 12) near Marvin to SD 15 in Wilmot. It is maintained by the South Dakota Department of Transportation (SDDOT), and is not part of the National Highway System. SD 123 begins at an intersection with US 12 east of Marvin in Grant County and begins north through open plains. The highway enters Roberts County north of its southern terminus and continues north through rolling farmland. North of the county line, the route