County Road Bridge Pony truss bridge over Sand Creek on a county road, 2 mi. west and 6.3 mi. north of Woonsocket in Warren Township Open to traffic Built 1930
County Road Bridge Deck truss bridge over Creek on a county road, 1.7 mi. west and 7 mi. north of Woonsocket in Warren Township Open to traffic Built 1913
County Road Bridge Pony truss bridge over Sand Creek on a county road, 1 mi. east and 7.3 mi. north of Woonsocket in Warren Township Open to traffic Built 1920
James River Bridge Through truss bridge over James River on a county road Unknown status Built 1897 by N.M. Stark & Co.
Morris Creek Bridge Pony truss bridge over Morris Creek on a county road, 3 mi. south and 2.8 mi. west of Woonsocket Unknown status Built 1913
Sand Creek Bridge Lost pony truss bridge over Sand Creek on a county road, 3.9 mi. east and 4 mi. north of Woonsocket No longer exists Built 1912; replaced 2002
Sand Creek Bridge Lost pony truss bridge over Sand Creek on a county road, 5.9 mi. east and 1 mi. north of Woonsocket No longer exists Built 1909; replaced 2000
Sand Creek Bridge Pony truss bridge over Sand Creek on a county road, 2.4 mi. north and 2 mi. west of Forestburg in Silver Creek Township Open to traffic Built 1912 by the Iowa Bridge Co.