Gadzira shanduro yakaoma yemutsara uyu Kuvakwa kwechikamu ichi kwakatanga muna Chikumi 2007, kambani yekuvaka iri kuita chirongwa ichi IMCO General Construction yeBellingham.
Ichokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeyekuti "Kuvakwa kwechikamu ichi kwakatanga muna June 2007 uye kwakapedzwa muna Autumn 2008, pamutengo wakakwana we $ 39.9 mamiriyoni, akabhadharwa neWashington State DOT. "