221th Street Bridge Concrete arch bridge over Creek on 221th Street, 10.8 mi. west and 2 mi. north of Ward in Riverview Township Open to traffic Built 1915
Bachelor Creek Bridge Lost pony truss bridge over Bachelor Creek on a county road, 2 mi. south and 0.1 mi. west of Colman No longer exists Built ca. 1920; replaced 2005
County Road Bridge Concrete arch bridge over Creek on a county road, 10.4 mi. west and 2 mi. north of Ward in Riverview Township Open to traffic Built 1915
Drainage Ditch Bridge Lost pony truss bridge over a drainage ditch on a county road, 0.9 mi. south and 2 mi. west of Colman No longer exists Built ca. 1910; replaced 2005
Egan Bridge Through truss bridge over Big Sioux River on 2nd Street in Egan Open to traffic Built 1922
Pipestone Creek Bridge Lost pony truss bridge over Pipestone Creek on a county road, 7.3 mi. east and 1 mi. south of Trent No longer exists Built ca. 1920; replaced 2002
Trent Railroad Bridge Abandoned pratt pony truss bridge over Big Sioux River on abandoned railroad Abandoned