Kemp Avenue Bridge Steel arch bridge over Big Sioux River on Kemp Avenue in Watertown Open to traffic Built 1935
Stray Horse Creek Bridge Pony truss bridge over Stray Horse Creek on 177th Street, 5 mi. south of Kranzburg in Kranzburg Township Open to traffic Built 1935; rehabilitated 1965
Willow Creek Bridge Pony truss bridge over Willow Creek on 167th Street, 2.2 mi. west and 5 mi. north of Kranzburg in Waverly Township Open to traffic Built 1910