DXN Bridge
 The DXN Bridge over the Missouri River is one of a group of thirty-one bridges in Wyoming that were collectively listed on the National Register of Historic Places as excellent examples of steel truss bridges of the early 20th century. The DXN Bridge is located in Crook County Wyoming. It is a single-span of about 72 feet (22 m) an 8-bay Pratt pony truss on Crook County Road 18-200 (Little Missouri Road). It was built about 1920.