Historic Bridges of the U.S. | Oregon County, Missouri

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Eleven Point MO 142 Bridge
Pony truss bridge over the Eleven Point River on MO 142
Open to traffic
Built 1957

Eleven Point MO 19 Bridge
Two-span pony truss bridge over Eleven Point River on MO 19 near Greer Spring, northeast of Alton
Open to two-lane traffic
Built 1934

Old Alton Road Bridge
Lost through truss bridge over Warm Fork Spring River on the old Thayer-Alton Road near Thayer
Removed Summer 2008 and sold for scrap
Built 1914 by the East St. Louis Bridge Co.; demolished 2008

Riverton Bridge
Through truss bridge over the Eleven Point River on US 160 at Riverton
Open to two-lane traffic
Built 1934 by contractor M.E. Gillioz

Thayer Viaduct
Through truss bridge over the BNSF railroad and Two Mile Creek on MO 19/Business US 63 in Thayer
Open to two-lane traffic
Built by M.S. Cartter & Co. of St. Louis

Thomasville Eleven Point Bridge
Lost two-span pony truss bridge over Eleven Point River on MO 99 just south of Thomasville
Replaced by modern bridge
Built 1924; replaced ca. 2004

Thomasville Middle Fork Bridge
Lost two-span pony truss bridge over Middle Fork on MO 99 just south of Thomasville
Replaced by modern bridge
Built 1924; replaced ca. 2004