The Nebraska Department of Transportation (NDOT) is the state government agency charged with building and maintaining the state highways in the U.S. state of Nebraska, as well as the state's airports. The main headquarters of the agency is located in Lincoln, the capital city. There are currently eight NDOT district offices located across the state.
The Meridian Highway Bridge is a bridge that formerly carried U.S. Route 81 across the Missouri River between Nebraska and South Dakota. The Meridian Highway Bridge connects Yankton, South Dakota with rural Cedar County, Nebraska. The Meridian Bridge is a double-deck bridge, with the top level having carried traffic into South Dakota from Nebraska, and the lower level having carried traffic into Nebraska from South Dakota. It was closed to all traffic in 2008, but reopened for use only by pedestrians and bicycles in 2011.
The King Iron Bridge & Manufacturing Company was a late-19th-century bridge building company located in Cleveland, Ohio. It was founded by Zenas King (1818–1892) in 1858 and subsequently managed by his sons, James A. King and Harry W. King and then his grandson, Norman C. King, until the mid-1920s. Many of the bridges built by the company were used during America's expansion west in the late 19th century and early 20th century, and some of these bridges are still standing today.
The South Dakota Department of Transportation (SDDOT) 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, as well as 5,905 bridges. The SDDOT is responsible for 7,830 miles of the roadway system.
The Stamford Bridge, also known as Bridge No. 48-102-010, is a historic bridge in rural Mellette County, South Dakota, southeast of Stamford. Built in 1930, it is a three-span Bedstead Pony Truss bridge, carrying a local road over the White River, off County Road Ch 1. Each span measures 80 feet (24 m) in length, and the rest on two concrete piers and two concrete abutments with wing walls. The deck consists of steel I-beams, with wooden stringers topped by steel plates. The bridge is the longest Bedstead truss bridge in the state, and one of a modest number of surviving bridges built using this type of truss.
The Iowa Bridge Company was a company that designed and built many bridges that are listed on the U.S. National Register of Historic Places.
The Eighth Street Bridge in Sioux Falls, South Dakota brings S. Eighth St. over the Big Sioux River. It is a triple-arch concrete deck arch bridge that was built in 1912 by N.M. Stark and Company. It has also been known as the South Dakota Dept. of Transportation Bridge No. 50-203-206. It was listed on the National Register of Historic Places in 1993.
Pioneer Bridge Co. was an American bridge company located in Mitchell, South Dakota.
The South Dakota Dept. of Transportation Bridge No. 48-244-204 is a historic bridge over the Little White River just west of White River, South Dakota. At 314 feet (96 m) in length, it is the longest concrete slab bridge in the state. It was built in 1934 to carry South Dakota Highway 44 across the river, but now carries a local road north of that road's current alignment. The bridge consists of eighteen concrete slabs, each 16 feet (4.9 m) in length, resting on a series of concrete piers, with wing-walled concrete abutments at both ends.
South Dakota Dept. of Transportation Bridge No. 49-095-190 is a historic bridge in rural Miner County, South Dakota. It carries a local road over Rock Creek, about 6 miles (9.7 km) south and 6.5 miles (10.5 km) west of Howard. Built in 1917, it is the longest pre-1920 concrete slab bridge in the state. Bridges from this time predate the standardization in the methods and use of concrete in bridge construction, and are relatively rare. The bridge consists of a single span 27 feet (8.2 m) in length, with a solid concrete parapet as a railing. The concrete is suffering from spalling.
The Capa Bridge is a historic bridge in rural Jones County, South Dakota. It is located 15.7 miles (25.3 km) west and 9.8 miles (15.8 km) north of Murdo, and about 3 miles (4.8 km) east of Capa, and carries a local road over the Bad River. Its main span is a Pratt through truss 127 feet (39 m) in length, which has been riveted rather than pinned together. The bridge also has five smaller approach spans on the west and two on the east, made of wooden stringers. The bridge piers are either concrete or wood pile, and the outermost abutments are wood pile. The bridge was apparently built in 1919 by a county crew, and is one of only two pre-1920 bridges in the state to use a riveted Pratt truss.
The South Dakota Dept. of Transportation Bridge No. 30-257-400 is a historic bridge in rural Hand County, South Dakota. It is located 14 miles (23 km) south of Miller and 9.7 miles (15.6 km) east, and carries a local road over Sand Creek. The bridge is a single-span steel beam stringer bridge, resting on I-beam pile abutments with concrete wings. The bridge is 26 feet (7.9 m) long. Built in 1917, it was one of the first bridges built in the county by county employees, rather than by hired bridge companies, and predates the formation of state highway department by two years.
The South Dakota Dept. of Transportation Bridge No. 20-153-210 is a historic bridge in Deuel County, South Dakota. It carries 187th Street across Cobb Creek, about 2 miles (3.2 km) east of Brandt. It is a single-span Pratt pony truss bridge, 71 feet (22 m) in length, resting on steel pilings with metal wing walls. It has corrugated metal decking resting on I-beam stringers. The bridge was built in 1908, and was originally located at a site in Herrick Township. Moved to its present location in 1960, it is the only known surviving bridge in Deuel County built by the Security Bridge Company, which held county contracts for bridge construction between 1907 and 1913.
The Vale Bridge near Vale, South Dakota brings a local road over the Belle Fourche River. It was built in 1906. It was listed on the National Register of Historic Places in 1999.
South Dakota Department of Transportation Bridge No. 63-210-282 was a historic bridge in rural Turner County, South Dakota, carrying 461st Avenue across the East Fork Vermillion River southwest of Centerville. Built in 1909, it was a well-preserved example of bridges built for the county by the Iowa Bridge Company. It was listed on the National Register of Historic Places in 1999. The bridge's original Pratt through main span was replaced by a steel girder span in 2009–10.
South Dakota Dept. of Transportation Bridge No. 16-570-054 in rural Corson County, South Dakota was listed on the National Register of Historic Places in 1993.
The Minnesela Bridge is a historic bridge located in Butte County, South Dakota. Formally known as South Dakota Department of Transportation Bridge No. 10-114-395, it passes over Redwater Creek about 1.5 miles (2.4 km) southeast of Belle Fourche. It was built in 1917 and was listed on the National Register of Historic Places in 1993 as part of the Historic Bridges in South Dakota Multiple Property Submission. It was one of the earliest concrete bridges constructed in the state. Concrete Engineering Company built multiple concrete bridges in the Rapid City area in the late 1910s, and due to the quality of their construction, many have survived. The bride was built at a cost of $2,588. Its common name is in reference to the nearby site of the ghost town of Minnesela, which sits just a few feet east of the bridge.
The Hay Creek Bridge in Belle Fourche, South Dakota was built in 1941. It was listed on the National Register of Historic Places in 1993.
South Dakota Dept. of Transportation Bridge No. 56-090-096, near Forestburg in Sanborn County, South Dakota, is a Warren pony truss bridge built by the Iowa Bridge Company in 1912. It was listed on the National Register of Historic Places in 1993.
The South Dakota Dept. of Transportation Bridge No. 03-327-230, in Beadle County, South Dakota near Cavour, was a Queen post pony truss bridge which was built in 1913. It was listed on the National Register of Historic Places in 1993.
