In this case, water, salt and chloride have seeped into the concrete over time, weakening the deck and threatening the bridge substructure. While MoDOT insists that all open bridges are safe, poor bridges need more frequent inspections and maintenance, and they must eventually be replaced. MoDOT engineers can't gauge how much longer a bridge has, or how soon until it must be closed. But they do know the bridge and hundreds of others like it, mostly in rural areas, may have to last many more years before they are replaced.ĭanny and Kathy Stidham live north of the bridge over Coon Creek, in a modest two-story house in front of a wide expanse of rolling hills. The couple recently married, and Danny Stidham makes a living raising livestock and cultivating crops on their property north of Harrisburg, a sleepy town of 271. Their crowded front yard mirrors his profession - a grain truck, tractor, sedan, two pick-ups and assorted machines inhabit the lawn like industrial yard ornaments.
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