Pitkin County

Busk-Ivanhoe Tunnel   [Map]
Tunnel
Closed
Built 1891; Converted to highway use 1922; Closed to traffic 1943; Collapsed 1945
Maroon Creek Bridge   [Map · Street View]
Trestle over Maroon Creek on CO 82 at Aspen
Bypassed by a replacement bridge and left in place for pedstrian use.
Built 1888; converted to vehicular use ca. 1929. Bypassed in 2005.
Sheely Bridge   [Map]
Through truss bridge in Mill Street Park in Aspen
Open to pedestrians only
Built 1911; relocated in 1966
Smith Hill Way Bridge   [Map · Street View]
Pony truss bridge over Roaring Fork River on Abandoned Smith Way Alignment
Open to pedestrians only
Stein Bridge   [Map]
Pratt through truss bridge over Roaring Fork River on Trail to the Rio Grande Trail and AABC
Open to pedestrians only
Built over Roaring Fork River in Basalt in 1890; moved here in 1973; Repaired 2015.