The only laminated timber bridges in the state highway system — two companion Black Hills highway spans known as the Keystone Wye — are ready for a checkup. The South Dakota Department of ...
U.S. Highway 16, near and under the Keystone Wye Bridge, will be closed to eastbound travel starting Monday, Aug. 14. Crews will begin a grading and asphalt concrete surfacing project in the eastbound ...
Stantec, a leading global design firm, has recently been selected by the North Dakota Department of Transportation to provide engineering-design services for three bridge projects over the Maple River ...