▁instead ▁were ▁replaced ▁with ▁fr ict ional ▁cli ps , ▁but ▁investig ators ▁did ▁not ▁find ▁any ▁documentation ▁that ▁supported ▁this ▁substitution . ▁Investig ators ▁could ▁not ▁locate ▁any ▁engineering ▁calculations ▁supporting ▁the ▁p ads ▁as ▁designed ; ▁worse , ▁the ▁p ads ▁were ▁built ▁sub standard ▁to ▁the ▁und ocument ed ▁design . ▁ ▁Law su its ▁against ▁companies ▁involved ▁in ▁building ▁the ▁r amp ▁were ▁settled ▁out ▁of ▁court , ▁as ▁no ▁single ▁party ▁could ▁be ▁found ▁to ▁explain ▁the ▁dis cre pan cies . ▁The ▁bridge ▁finally ▁opened ▁in ▁ 1 9 8 6 . ▁In ▁ 1 9 8 7 , ▁the ▁state ▁designated ▁the ▁route ▁between ▁US ▁ 1 2 ▁and ▁the ▁Indiana ▁T oll ▁Road ▁as ▁the ▁" High way ▁Const ruction ▁Work ers ▁Memorial ▁Highway ," ▁in ▁their ▁memory . ▁ ▁S ni per ▁investigation ▁ ▁During ▁the ▁middle ▁of ▁ 2 0 0 6 , ▁numerous ▁drivers ▁reported ▁possible ▁attacks ▁by ▁a ▁sni per ▁on ▁the ▁eastern ▁portion ▁of ▁C line ▁Avenue . ▁D ri vers ▁reported ▁having ▁their ▁windows ▁and ▁wind sh ield s ▁sh atter ed ▁by ▁unknown ▁project iles . ▁Investig ators , ▁including ▁the ▁Federal ▁Bureau ▁of ▁Investig ation , ▁sus pected ▁an ▁ass ail ant ▁armed ▁with ▁a ▁s ling shot ▁or ▁a ▁BB ▁gun ▁was ▁shooting ▁out ▁windows . ▁O thers ▁sus pected ▁the ▁broken ▁windows ▁were ▁due ▁to ▁flying ▁gra vel ▁and ▁ab norm ally ▁warm ▁temper atures . ▁The ▁shoot ings ▁were ▁not ▁related ▁to ▁an ▁earlier