Vista Ridge Tunnel

Photos

Vista Ridge Tunnel - West Portal

Photo taken by Michael Goff on September 4, 2008

BH Photo #122875

Overview: Pair of tunnels under Vista Ridge on US 26 in Portland
Location: Portland, Multnomah County, Oregon
Status: Open to traffic
History: Built 1969
Design: The eastbound tunnel is 1001.0 feet (305 m) in length; the westbound tunnel is 949 feet (289 m). Both have 41 ft (12.5 m) of horizontal and 15.58 ft (4.75 m) of vertical clearance. The eastbound tunnel was completed in 1969; the westbound finished a year later. There is a six percent grade through the tunnels.
Information From Wikipedia entry on Vista Ridge Tunnels
Dimensions: Total length: 1,001.0 ft.
Deck width: 41.0 ft.
Vertical clearance above deck: 15.6 ft.
Approximate latitude, longitude: +45.51599, -122.69844 (decimal degrees)
45°30'58" N, 122°41'54" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/523552/5040317 (zone/easting/northing)
Quadrangle map:: Portland
Average daily traffic (as of 1998): 65,800
Inventory numbers: OR 09103 (Oregon Dept. of Transportation structure number)
BH 29894 (Bridgehunter.com ID)
Inspection report (as of September 1998): View more at BridgeReports.com