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

Boxelder Creek K-99 Bridge
Concrete arch bridge over Boxelder Creek on K-99
Open to traffic
Built 1936

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