L&M Contractors Inc. of Great Bend plans to begin work on Tuesday for the replacement of a bridge on East Barton County Road, the Barton County Engineering Department announced. The bridge over Wet Walnut Creek is located approximately 1.25 miles east of Great Bend on the township road. The road will be barricaded at the bridge site, and advance signing and barricades will be set up to warn traffic of the road closure. The work is anticipated to take five to six months to complete.