title: List of tunnels documented by the Historic American Engineering Record in Washington
text: # List of tunnels documented by the Historic American Engineering Record in Washington
  
  This is a list of tunnels documented by the Historic American Engineering Record in the US state of Washington.
  
  ## Tunnels
  
  | Survey No. | Name (as assigned by HAER) | Built | Documented | Carries | Crosses | Location | County | Coordinates |
  | - | - | - | - | - | - | - | - | - |
  | WA-70 | Box Canyon Tunnel | 1952 | 1992 | Stevens Canyon Highway | Stevens Ridge | Packwood | Lewis | 46°45′55″N 121°38′12″W﻿ / ﻿46.76528°N 121.63667°W﻿ / 46.76528; -121.63667﻿ (Box Canyon Tunnel) |
  | WA-74 | Stevens Canyon Tunnel | 1936 | 1992 | Stevens Canyon Highway | Mountain spur | Longmire | Pierce | 46°45′48″N 121°39′49″W﻿ / ﻿46.76333°N 121.66361°W﻿ / 46.76333; -121.66361﻿ (Stevens Canyon Tunnel) |
  | WA-75 | East Side Highway Tunnel | 1939 | 1992 | SR 123 (East Side Highway) | Mountain spur | Packwood | Lewis | 46°50′46″N 121°31′40″W﻿ / ﻿46.84611°N 121.52778°W﻿ / 46.84611; -121.52778﻿ (East Side Highway Tunnel) |
  | WA-109 | Mount Baker Ridge Tunnel | 1940 | 1993 | I-90 | Mount Baker Ridge | Seattle | King | 47°35′25″N 122°17′55″W﻿ / ﻿47.59028°N 122.29861°W﻿ / 47.59028; -122.29861﻿ (Mount Baker Ridge Tunnel) |
  | WA-184 | Alaskan Way Viaduct and Battery Street Tunnel | 1966 | 2008 | SR 99 | Battery Street | Seattle | King | 47°36′50″N 122°20′52″W﻿ / ﻿47.61389°N 122.34778°W﻿ / 47.61389; -122.34778﻿ (Alaskan Way Viaduct and Battery Street Tunnel) |
  