A spokesperson told KTIV that crews are mobilizing to where the old bridge was located and they expect construction to begin in the coming days.

Construction crews were moving dirt along the Iowa side of the Big Sioux River on Thursday in preparation to rebuild a railroad bridge to North Sioux City, South Dakota.

Construction crews were moving dirt, along the Iowa side of the Big Sioux River, Thursday, in preparation to rebuild a railroad bridge connecting North Sioux City and Sioux City.