Jefferson County

O'Fallon Park Road Bridge   [Map]
Lost pony truss bridge over Bear Creek on O'Fallon Park Road in Evergreen
No longer exists
Built ca. 1940; replaced 2003
Park Avenue Bridge   [Map · Street View]
Pony truss bridge over Bear Creek on Park Avenue in Morrison
Open to traffic
Built 1926; rehabilitated 1992
Red Rock Tunnel   [Map · Street View]
Tunnel under Red Rock on Red Rocks Park Road
Open to traffic
Built 1940
S. Kipling Street Bridge   [Map]
Lost pony truss bridge over Bear Creek on S. Kipling Street in Denver
Replaced by a new bridge
Built 1935; rehabilitated 1988: replaced 2006
Sawmill Gulch Bridge
Lost open-spandrel arch bridge over Sawmill Gulch on CO 74
Replaced by a new bridge
Built 1935; replaced 1999
Tunnel No. 1   [Map · Street View]
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1951
Tunnel No. 2   [Map · Street View]
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1941
Tunnel No. 3   [Map · Street View]
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1957