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The South Dakota Department of Transportation is a state government organization in charge of maintaining public roadways of the U.S. state of South Dakota. South Dakota has 82,447 miles of highways, roads and streets; 5,905 bridges. The SD DOT is responsible for 7,830 miles of the roadway system. The DOT budgets roughly $15,700,000.00 for winter snow and ice removal year. The Department of Transportation was formerly known as the South Dakota Department of Highways.〔(【引用サイトリンク】publisher=Transportation Research Board )〕 ==Historic bridges== A number of its bridge projects have been deemed historic, and some are listed on the U.S. National Register of Historic Places. Several were listed on the National Register pursuant to a 1993 Multiple Property Submission titled "Historic Bridges in South Dakota, 1893-1943." The listed works include (with varying attribution): *Kemp Avenue Bridge, Kemp Avenue over the Sioux River, Watertown, South Dakota (South Dakota Highway Commission), NRHP-listed〔 *Pig Tail Bridge, South Dakota Highway 87 loop over South Dakota Highway 87, north of Norbeck Lake, Wind Cave National Park, Hot Springs, South Dakota (South Dakota Highway Dept.), NRHP-listed〔 *South Dakota Dept. of Transportation Bridge No. 03-020-008, local road over unnamed creek, Wessington, South Dakota (South Dakota Highway Commission), NRHP-listed〔 *South Dakota Dept. of Transportation Bridge No. 07-220-454, local road over Mud Creek, Stratford, South Dakota (South Dakota State Highway Commission), NRHP-listed〔 *South Dakota Dept. of Transportation Bridge No. 07-304-414, local road over Ferney Ravine, Ferney, South Dakota (South Dakota Highway Commission), NRHP-listed〔 *South Dakota Dept. of Transportation Bridge No. 25-218-141, 10th Ave. over the South Fork of Snake Creek, Faulkton, South Dakota (South Dakota Highway Commission), NRHP-listed〔 *South Dakota Dept. of Transportation Bridge No. 48-244-204, local road over the Little White River, White River, South Dakota (South Dakota Highway Commission), NRHP-listed〔 *Summit Avenue Viaduct, Summit Ave. over the Chicago and North Western Railroad tracks, Sioux Falls, South Dakota (South Dakota Highway Commission), NRHP-listed〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「South Dakota Department of Transportation」の詳細全文を読む スポンサード リンク
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