Aquilla Bridge (Stoddard County, Missouri)Derelict through truss bridge over Castor River east of Aquilla at end of CR 535
Abandoned with missing deck, accessible by county road from both sides
Avert Bridge (Stoddard County, Missouri)Derelict through truss bridge over Castor River parallel to CR 512 near Avert
Abandoned with missing deck and surrounded by undergrowth, replaced by culvert
Castor River MO 72 Bridge (Madison County, Missouri)Built 1923; rehabilitated 1933
Lost three-span through truss bridge over Castor River and single pony truss over Cape Creek on MO 72 between Fredericktown and Patton
Two spans removed in Summer 2007
Gipsy Bridge (Bollinger County, Missouri)Built 1928
Lost through truss bridge over Castor River north of Gipsy on CR 736
Demolished in Summer 2002 and replaced with a boring concrete bridge
Marquand Bridge (Madison County, Missouri)Old bridge built 1924 at a cost of about $4,000, raised by the community. Replaced 1993.
Lost through truss bridge over Castor River on Route A at Marquand
Replaced by concrete span; portion of old bridge now rests in Marquand City Park
Zalma Bridge (Bollinger County, Missouri)Built 1929-30, replacing a 1900 span that was then moved to Gipsy
Through truss bridge over Castor River on MO 51 at Zalma
Open to one-lane traffic on a paved road