Alaskan Way Viaduct Replacement Tunnel

URI: https://gptkb.org/entity/Alaskan_Way_Viaduct_Replacement_Tunnel
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf gptkb:tunnel
gptkbp:alsoKnownAs gptkb:SR_99_Tunnel
gptkbp:buildingCompleted 2019
gptkbp:city gptkb:Seattle
gptkbp:connects gptkb:South_Lake_Union
gptkb:SODO
gptkbp:constructionStartYear 2013
gptkbp:cost $3.3 billion
gptkbp:country gptkb:United_States
gptkbp:diameter 17.5 meters
https://www.w3.org/2000/01/rdf-schema#label Alaskan Way Viaduct Replacement Tunnel
gptkbp:length 2.7 kilometers
gptkbp:location gptkb:Seattle,_Washington,_United_States
gptkbp:maximumDepth 58 meters
gptkbp:notableEvent Bertha breakdown in 2013
Bertha repair completed in 2015
tunnel breakthrough in 2017
gptkbp:numberOfLanes 4
gptkbp:opened February 4, 2019
gptkbp:operatedBy gptkb:Washington_State_Department_of_Transportation
gptkbp:ownedBy gptkb:Washington_State_Department_of_Transportation
gptkbp:passesThrough gptkb:Downtown_Seattle
gptkbp:purpose earthquake safety
replace aging viaduct
gptkbp:replacedBy gptkb:Alaskan_Way_Viaduct
gptkbp:routeNumber gptkb:State_Route_99
gptkbp:toll yes
gptkbp:tunnel gptkb:road
gptkbp:tunnelBoringMachineName gptkb:Bertha
gptkbp:bfsParent gptkb:Traylor_Bros.
gptkbp:bfsLayer 7