Stephenson County Highway Department | ClearSpan Challenge – Replacing destroyed salt storage building Solution – Hercules Truss Arch Buildings Size – Two 45' wide x 90' long Application – Municipal salt storage When the Stephenson County Highway Department lost their old salt storage building in July 2011, County Engineer Chris Isbell had to make a quick decision to be ready for the upcoming winter. The highway department, located in northwestern Illinois, had previously been using a wooden bin inside of a hundred-year-old dairy barn. This building, which was part of the old county farm, held only about 750 tons of salt, which is approximately 25% of the county’s average annual usage. Explains Isbell, “The building also didn’t provide any storage space for our salt/aggregate mix, requi

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