— Natrona County officials are considering three options to replace a Salt Creek Highway bridge. Based on a report from WLC Engineering and Surveying, Road & Bridge Superintendent Mike Haigler presented the choices to the Natrona County Board of Commissioners during Tuesday’s work session. The concrete system would create a permanent crossing and allow the county to expand the current single-lane road into two lanes. More Natrona County Board of Commissioners coverage Casper airport sees record July traffic while pursuing new airlinesNatrona County eyeing November ballot for lodging tax proposition“Those would never wash out,” Haigler said. A 100-year flood would send 1.5 feet of water over the corrugated culverts, Haigler said.