Facts 

Overview
Tunnel on US 6 in Clear Creek Canyon
Location
Clear Creek County, Colorado
Status
Open to two-lane traffic
History
Built 1939
Design
Tunnel
Dimensions
Total length: 411.1 ft.
Inventory number
BH 11811 (Bridgehunter.com ID)
Inspection
Average daily traffic (as of 2005)
8,400

Categories 

Built 1939 (356)
Built during 1930s (5,537)
Clear Creek County, Colorado (8)
Colorado (273)
Open (21,926)
Owned by state (6,683)
Total length 250-500 feet (2,164)
Tunnel (273)
US 6 (41)