Basalt Wooden Bridge (1880)[Map] Lost Kingpost pony truss bridge over Fryingpan River Replaced by a new bridge 21 years after demolition Originally built around 1880, it was rebuilt numerous times after washouts from flooding until 1926 after it was condemned. City Built another bridge at its location 21 years later
Dotsero Bridge[Map · Street View] Lost through truss bridge over Colorado River on the I-70 Service Road (Old US 6) at Dotsero Lost Built 1934-35; replaced 2013
DRGW - Tennessee Pass Tunnel[Map] Lost Tunnel on Denver & Rio Grande Western Railroad Collapsed Built 1890; Replaced by the current tunnel in 1945; Caved in July 10, 2012, creating a sinkhole that affected US 24
Eagle River Bridge[Map · Street View] Lost through truss bridge over Eagle River on US 6 east of Eagle in Eagle Replaced by a new bridge Built 1933; Replaced 2012
Eagle River Bridge[Map] Stringer bridge over Eagle River on Us 6 Ml Open to traffic Built 2001
Red Canyon Bridge Lost through truss bridge over Eagle River on US 6, 6.5 mi. east of Eagle Replaced by a new bridge Built 1933; replaced 2001
Red Cliff Arch Bridge[Map · Street View] Steel deck arch bridge over Eagle River, Union Pacific Railroad, and Water Street on US 24 at Red Cliff Open to traffic Built 1940; rehabilitated 2004
Red Cliff Pine Street Bridge[Map · Street View] Wooden arch bridge over the Union Pacific Railroad and Eagle River on Pine Street in Red Cliff Open to traffic Built 1992
Red Cliff Truss Bridge[Map · Street View] Deck truss bridge over Eagle River and the Union Pacific Railroad on Water Street (CR 124) at Red Cliff Open to traffic Built 1934
State Bridge[Map · Street View] Lost Howe through truss bridge over Colorado River on Early alignment CO131 Replaced by a new bridge Built 1890
State Bridge (1890)[Map · Street View] Lost two-span Howe through truss bridge over Colorado River Abutments, center pier, and ruins of north span remain Built 1890; replaced 1966 and south span removed; north span collapsed sometime after 1985.
UP - Deen Tunnel[Map] Tunnel on Union Pacific Railroad Intact but closed to all traffic Built 1889-90
UP - Eagle City Bridge[Map · Street View] Concrete Slab Bridge over Tributary of Eagle River on Union Pacific Railroad Intact but closed to all traffic
UP - Eagle River Bridge #10[Map · Street View] Deck plate girder bridge over Eagle River on Union Pacific Railroad Intact but closed to all traffic probably built 1927
UP - Gore Creek Bridge[Map · Street View] Deck plate girder bridge over Gore Creek on Union Pacific Railroad Intact but closed to all traffic Deck plate girder
UP - Tennessee Pass Tunnel[Map · Street View] Railroad tunnel under Tennessee Pass north of Leadville on closed Union Pacific RR Embargoed (unused but technically open) Built 1945; unused since 1997
Wolcott Bridge[Map] Lost two-span arch bridge over Eagle River on CO 131 at Wolcott Replaced by a new bridge Built ca. 1910 by the Pueblo Bridge Co.; replaced 2005