▁had ▁$ 2 2 , 0 0 0 ▁in ▁month ly ▁exp enses . ▁The ▁bridge ▁was ▁placed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁ 2 0 0 7 ▁in ▁part ▁because ▁of ▁its ▁relationship ▁to ▁historic ▁New ▁Harm ony , ▁Indiana ▁as ▁well ▁as ▁the ▁bridge ' s ▁age . ▁The ▁three - member ▁Commission ▁was ▁established ▁by ▁Congress ▁on ▁April ▁ 1 2 , ▁ 1 9 4 1 , ▁but ▁Congress ▁repe aled ▁the ▁stat ute ▁providing ▁for ▁an ▁appointment ▁mechanism ▁in ▁ 1 9 9 8 . ▁The ▁Commission ' s ▁general ▁manager , ▁who ▁is ▁ 7 5 , ▁spec ulated ▁that ▁the ▁bridge ▁would ▁close ▁if ▁the ▁three ▁current ▁commission ers ▁would ▁res ign ▁or ▁die . ▁ ▁In ▁ 1 9 5 1 , ▁the ▁current ▁to ll ▁bo oth ▁on ▁the ▁western ▁edge ▁of ▁the ▁river ▁was ▁constructed ▁by ▁the ▁Electron ic ▁Sign al ▁Company , ▁to ▁replace ▁an ▁earlier ▁bo oth ▁on ▁the ▁eastern ▁edge . ▁In ▁ 1 9 5 2 , ▁a ▁to ll p ayer ▁su ed ▁to ▁exercise ▁his ▁right ▁to ▁inspect ▁the ▁books ▁and ▁records ▁of ▁the ▁Commission , ▁but ▁lost ▁his ▁law suit ▁and ▁was ▁not ▁allowed ▁access . ▁In ▁ 1 9 5 5 , ▁the ▁General ▁Account ing ▁Office ▁issued ▁a ▁report ▁critical ▁of ▁the ▁Commission ▁and ▁claim ing ▁that ▁one ▁commission er ▁had ▁a ▁conflict ▁of ▁interest . ▁In ▁response , ▁the ▁U . S . ▁Department ▁of ▁Justice ▁file d ▁a ▁suit