US 34
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Big Thompson Bridge #1 (Larimer County, Colorado)
Built 1937Pony truss bridge over Big Thompson River on US 34Replaced by a new bridge
Big Thompson Bridge #2 (Larimer County, Colorado)
Built 1937Pony truss bridge over Big Thompson River on US 34Replaced by a new bridge
Big Thompson Bridge #3 (Larimer County, Colorado)
Built 1933Lost pony truss bridge over Big Thompson River on US 34Replaced by modern bridge
Big Thompson Bridge #4 (Larimer County, Colorado)
Built 1933Lost pony truss bridge over Big Thompson River on US 34Replaced by modern bridge
BNSF - US-34 Overpass (Lucas County, Iowa)
Built 1928Steel stringer bridge over US34 on Railroad (BNSF)Open to traffic
Mopac Trail - US34 Overpass (Lancaster County, Nebraska)
Built 1971Steel stringer bridge over US 34 on Mopac TrailOpen to pedestrians only
Mount Pleasant Street Overpass (Des Moines County, Iowa)
Built 1943; Demolished 2018Steel stringer bridge over BNSF Railway & Osborn Street on Mount Pleasant StreetDemolished
Ogden Avenue Viaduct (Cook County, Illinois)
Built 1932; closed to traffic March 24, 1992; demolished 1993Lost viaduct over Chicago River North Branch and city streets on Ogden AvenueNo longer exists
Old US34 Overpass (Henry County, Iowa)
Replaced 2003Lost pony truss bridge over the BNSF Railroad on Old Highway 34No longer exists
Old US34 Sugar Creek Bridge (Wapello County, Iowa)
Built ca 1910; Bypassed 1951; Abandoned 2003Abandoned bridge over Sugar Creek on Old US 34 AlignmentAbandoned
Plattsmouth Bridge (Cass County, Nebraska)
Built 1929; rehabilitated 2008Through truss toll bridge over Missouri River on old US 34 at PlattsmouthOpen to traffic
RI - US34 Overpass (Jefferson County, Iowa)
Built 1945, abandoned and removed 1983Lost Steel stringer bridge over US 34 on former Rock Island RRRemoved
Rome Bridge (Henry County, Iowa)
Built 1886; Demolished 1958Lost Parker through truss bridge over Skunk River on US 34Replaced by a new bridge
US34 Skunk River Bridge (Old) (Henry County, Iowa)
Built 1925, Replaced 2000Lost Parker through truss bridge over Skunk River on a local roadReplaced by a new bridge
Washington Street Bridge (1937) (Kendall County, Illinois)
Built 1937Deck plate girder bridge over Fox River on Fox River Bike TrailOpen to pedestrians only
West Nodaway River Bridge (Montgomery County, Iowa)
Built 1919Through truss bridge over West Nodaway River on 205 StOpen to traffic with 12 Ton Weight Limit