Big Blue River Railroad Bridge Three-span lattice through truss bridge over Big Blue River on the Union Pacific Railroad, just east of Manhattan Open to traffic
Darnells Creek Bridge Stone arch bridge over Darnells Creek on Robson Road, 2.0 mi. north and 1.5 mi. east of Westmoreland Open to traffic Built ca. 1930
Day Road Bridge Stone arch bridge over a branch of Vermillion River on Day Road, 5.0 mi. south and 1.0 mi. east of Onaga Open to traffic Built ca. 1915
Elm Slough Bridge Stone arch bridge over Elm Slough on Rockenham Road, 2.0 mi. south and 1.5 mi. east of Flush Open to traffic Built ca. 1930
Jim Creek Bridge Stone arch bridge over Jim Creek on Rolling Prairie Road, 3.0 mi. south and 3.0 mi. west of Onaga Open to traffic Built ca. 1930; rehabilitated 1965
Lazy Creek Road Bridge Lost stone arch bridge over Lazy Creek on Bigelow Road, 3.0 mi. west of Westmoreland No longer exists Built ca. 1930; replaced 2005
Mud Creek Bridge Stone arch bridge over Mud Creek on Dutch Creek Road, 2.5 mi. north and 1.0 mi. west of Duluth Open to traffic Built ca. 1930
Rock Creek Bridge Pony truss bridge over Rock Creek on Dutch Hollow Road, 0.5 mi. east of Westmoreland Open to traffic Built ca. 1970
Straight Creek K-63 Bridge Concrete arch bridge over Straight Creek on K-63 in Havensville Open to traffic Built 1928; rehabilitated 1957
Vermillion River Bridge Lost pony truss bridge over Vermillion River on Prairie Village Road, 2.5 mi. west of Havensville No longer exists Built ca. 1930; replaced 2004
Wilson Creek Bridge Concrete arch bridge over Wilson Creek on Wilson Creek Road, 5.5 mi. north of Flush Open to traffic Built ca. 1930