US 34
View Exhibit mapBig Thompson No. 1 Bridge (Larimer County, Colorado)
Built 1937Pony truss bridge over Big Thompson River on US 34Open to traffic
Big Thompson No. 2 Bridge (Larimer County, Colorado)
Built 1937Pony truss bridge over Big Thompson River on US 34Open to traffic
Big Thompson No. 3 Bridge (Larimer County, Colorado)
Built 1933Lost pony truss bridge over Big Thompson River on US 34Replaced by modern bridge
Big Thompson No. 4 Bridge (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)
Steel stringer bridge over US34 on Railroad (BNSF)Open to traffic
Plattsmouth Bridge (Cass County, Nebraska)
Built 1929; rehabilitated 2008Through truss toll bridge over Missouri River on US 34 at PlattsmouthOpen to traffic
RI US34 Overpass (Jefferson County, Iowa)
Removed 1982.Lost Pony/through plate girder bridge over US 34 on RailroadRemoved
UP US34 Overpass (Lucas County, Iowa)
Steel stringer bridge over US34 on Railroad (UP)Open to traffic