This afternoon (Oct. 29, 2025), the west end of the Missouri River Bridge over U.S. Highway 12 just west of Mobridge will be reduced to one, 11-foot wide lane of traffic.
The lane reduction will be in place while contractors put a six inch depth of asphalt concrete at the west end of the bridge.
The width restriction will be in effect through Thursday during the daytime working hours. Traffic will be controlled with flaggers and a pilot car. Highway 12 will be open to normal two-way traffic during the overnight.
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