Messmer Street Bridge
Concrete bridge on Messmer Street (Old US 61) over a branch of Ramsey Creek just north of Kelso
Open to traffic

North Cut Ditch Bridge
Through truss bridge on MO 77 over North Cut Ditch northwest of Diehlstadt
Open to one-lane traffic
Built 1923; rehabilitated 1941

Scott County Road 224 Bridge
Wooden stringer bridge over a branch of Caney Creek on CR 224 northeast of New Hamburg
Open to one-lane traffic

Scott County Road 432 Bridge
Lost pony truss bridge with wooden deck on CR 432 northeast of Vanduser
No longer exists
Built ca. 1925; replaced 1997

Thebes Bridge
Cantilevered through truss railroad bridge over the Mississippi River at Thebes
Open to railroad traffic on two tracks
Built 1905 by a consortium of five railroad companies