nt own ▁area . ▁As ▁part ▁of ▁the ▁project , ▁a ▁$ 1 . 2   mill ion ▁( equ ivalent ▁to ▁$ ▁in ▁) ▁de - icing ▁system ▁was ▁installed . ▁The ▁system ▁is ▁designed ▁to ▁sp ray ▁a ▁de - icing ▁fluid ▁on ▁the ▁road way ▁that ▁would ▁be ▁carried ▁by ▁car ▁t ires ▁up ▁to ▁a ▁mile ▁( 1 . 6   km ) ▁along ▁the ▁road ▁surface . ▁This ▁fluid ▁is ▁expected ▁to ▁m elt ▁ice ▁at ▁temper atures ▁below ▁the ▁ ▁at ▁which ▁salt ▁stops ▁working . ▁ ▁Un like ▁salt , ▁the ▁non - cor ros ive ▁de - ic er ▁does ▁not ▁harm ▁the ▁bridge , ▁but ▁it ▁is ▁more ▁cost ly . ▁The ▁system ▁is ▁designed ▁to ▁be ▁activ ated ▁manually , ▁or ▁automatically ▁via ▁sens ors ▁along ▁the ▁road . ▁However , ▁p low ing ▁would ▁still ▁be ▁required ▁on ▁the ▁road way . ▁The ▁idea ▁behind ▁the ▁de - icing ▁system ▁is ▁to ▁keep ▁the ▁pav ement ▁wet ▁and ▁prevent ▁the ▁formation ▁of ▁ice . ▁ ▁Const ruction ▁del ays ▁were ▁caused ▁by ▁river ▁flo oding ▁during ▁spring ▁ra ins . ▁A ▁design ▁mistake ▁meant ▁that ▁one ▁of ▁the ▁brid ges ▁in ▁the ▁structure ▁was ▁built ▁a ▁foot ▁() ▁too ▁low , ▁and ▁Grand ville ▁Avenue ▁was ▁lower ed ▁to ▁compens ate ▁for ▁the ▁error . ▁Before ▁the ▁opening , ▁MD OT ▁held ▁a ▁rib bon - cut ting ▁ceremony ▁on ▁the ▁fre ew ay ▁to ▁allow ▁local ▁residents ▁to ▁walk ▁along ▁the