Historic Bridges
of the United States
Jefferson County
Colorado
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Old Kipling Street Bridge
Pony truss bridge over Bear Creek on Old Kipling Street in Denver
Open to traffic
Built 1935; rehabilitated 1988
Park Avenue Bridge
Pony truss bridge over Bear Creek on Park Avenue in Morrison
Open to traffic
Built 1926; rehabilitated 1992
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
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1951
Tunnel No. 2
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1941
Tunnel No. 3
Tunnel on US 6 west of Golden
Open to two-lane traffic
Built 1957