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I 70 Idaho Springs Tunnel

Clear Creek County, Colorado

Photos 

Idaho Springs Tunnel

Photo taken by Craig Philpott in July 2017

Enlarge

BH Photo #396416

Map 

Street View 

Facts 

Overview
Tunnel under Mountain on I 70
Location
Clear Creek County, Colorado
Status
Open to traffic
History
Built 1961
Design
Tunnel
Dimensions
Span length: 725.1 ft.
Total length: 725.1 ft.
Approximate latitude, longitude
+39.74444, -105.47611   (decimal degrees)
39°44'40" N, 105°28'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/459208/4399501 (zone/easting/northing)
Quadrangle map:
Squaw Pass
Average daily traffic (as of 1997)
18,800
Inventory numbers
CDOT F-15-BN (Colorado Dept. of Transportation structure number)
BH 48030 (Bridgehunter.com ID)
Inspection report (as of November 1999)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
View more at BridgeReports.com

Categories 

Built 1961 (215)
Built during 1960s (1,909)
Clear Creek County, Colorado (10)
Colorado (649)
Have street view (25,399)
Open (38,203)
Owned by state (15,115)
Span length 500-1000 feet (372)
Total length 500-1000 feet (2,659)
Tunnel (1,090)

Update Log 

  • February 6, 2011: Added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Craig Philpott - craigphilpott63 [at] gmail [dot] com
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Comments 

I 70 Tunnel
Posted September 16, 2013, by Roger Deschner (rogerdeschner [at] gmail [dot] com)

The eastbound tunnel is currently under major reconstruction to widen it to 3 lanes. http://www.coloradodot.info/projects/i70twintunnels