Busk-Ivanhoe TunnelTunnelClosedBuilt 1891; converted to highway use 1922; closed to traffic 1943
Maroon Creek Bridge [Map · Street View] Trestle over Maroon Creek on CO 82 at AspenBypassed 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 AspenOpen to pedestrians onlyBuilt 1911; relocated in 1966