RI - Argyle Tunnel[Map] Tunnel on the Rock Island Railroad under a hill and CR 541 between Meta and Koeltztown Railroad line inactive since 1979 Built 1903
RI - Freeburg Tunnel[Map] Tunnel on the Rock Island Railroad under Freeburg and US 63 Railroad line currently inactive
RI - Gasconade River Bridge[Map] Pratt deck truss over Gasconade River on the Rock Island Railroad between Freeburg and Belle Railroad line currently inactive Built 1902 by A.J. Tullock; out of service since 1980.
Rich Fountain Bridge[Map] Two-span stone arch bridge over Brush Creek on Route E in Rich Fountain Open to two-lane traffic Built 1925 by Fred Schimmle
Rollins Ferry Bridge[Map] Lost three-span through truss over Gasconade River where MO 89 now crosses, east of Rich Fountain No longer exists Most likely replaced by a state highway bridge in the 1930's when MO 89 was constructed. The current bridge here was built 1964.
Swan Creek Bridge[Map] Pony truss bridge over Swan Creek on CR 625 Open to one-lane traffic Built ca. 1930
Westphalia Bridge[Map] Through truss bridge over Maries River on CR 611 near Westphalia Open to one-lane traffic Main span built 1893 by the Kansas City Bridge Co.; pony trusses added 1902 by the Interstate Bridge Co.