Old ▁ 7 6 ". ▁The ▁route ▁from ▁sout heast ▁of ▁West ▁Branch ▁to ▁the ▁O gem aw ▁County ▁line ▁was ▁designated ▁as ▁County ▁Road ▁F - 9 , ▁and ▁a ▁portion ▁through ▁the ▁community ▁of ▁St . ▁Helen ▁is ▁part ▁of ▁F - 9 7 . ▁The ▁segment ▁of ▁old ▁M - 5 5 / M - 7 6 ▁is ▁an ▁unsigned ▁state ▁highway . ▁ ▁Major ▁inter sections ▁ ▁Business ▁loop ▁ ▁Business ▁M - 7 6 ▁( Bus . ▁M - 7 6 ) ▁was ▁a ▁business ▁loop ▁running ▁through ▁West ▁Branch ▁that ▁is ▁now ▁called ▁Business ▁Loop ▁I - 7 5 ▁( BL ▁I - 7 5 ). ▁The ▁highway ▁used ▁a ▁portion ▁of ▁the ▁former ▁M - 7 6 ▁and ▁the ▁current ▁M - 5 5 . ▁The ▁southern most ▁portion ▁from ▁the ▁Cook ▁Road ▁inter change ▁at ▁I - 7 5 ▁to ▁O LD ▁M - 7 6 ▁( Al ger ▁Road ) ▁was ▁built ▁as ▁a ▁new ▁road way ▁in ▁ 1 9 7 0 . ▁This ▁section ▁was ▁built ▁when ▁the ▁I - 7 5 / M - 7 6 ▁fre ew ay ▁was ▁completed ▁as ▁far ▁north ▁as ▁Cook ▁Road . ▁This ▁new ▁road way ▁allowed ▁M - 7 6 ▁to ▁connect ▁to ▁its ▁former ▁alignment ▁south ▁of ▁West ▁Branch ▁in ▁ 1 9 7 0 . ▁The ▁next ▁year , ▁the ▁I - 7 5 / M - 7 6 ▁fre ew ay ▁was ▁completed ▁to ▁the ▁current ▁inter change ▁with ▁M -