The U.S. Fish and Wildlife Service seeks a contractor to replace a nine-cell box bridge with a new low-water crossing at the Quivira National Wildlife Refuge in Kansas. The project has an estimated budget between $200,000 and $300,000. Work must commence within 15 days of a Notice to Proceed and be completed within 180 days. This is a Total Small Business Set-Aside procurement. A pre-proposal site visit will be announced with the solicitation, which will be posted in 15 days.