Highway department rehabilitates culverts during polar vortexProblem: In January and February 2014, one of the coldest winters in history, the Saskatchewan Department of Highways and Infrastructure contracted with Winnipeg-based MuddRuckers Inc. to complete a culvert rehabilitation project. The project consisted of four large culverts in separate locations. One was a round, 5-foot-diameter, 130-foot-long pipe. The other three were arched, about 80 feet long, with one 72 inches wide and 42 inches tall, and two that were 102 inches wide and 72 inches tall. All were corrugated metal and the two largest had deep indentations. All were failing; they were badly
