ðɪ ˈoʊld ˌɛsˈeɪtʃ θˈɜːɾi θɹˈiː fˈɑːloʊd ðə kˈɜːɹənt jˌuːˈɛs fˈoːɹhˈʌndɹɪd twˈɛlv tə ðə dʒˈʌŋkʃən ʌv jˌuːˈɛs sˈɪksti nˈaɪn, ðˈɛn nˈɔːɹθ ɐlˈɔŋ jˌuːˈɛs sˈɪksti nˈaɪn ɐ kˈʌpəl ʌv mˈaɪlz, ðˈɛn bˈæk ˈiːst, mˈɜːdʒɪŋ ˌɑːntʊ ðə kˈɜːɹənt jˌuːˈɛs fˈoːɹhˈʌndɹɪd twˈɛlv bᵻfˌoːɹ kɹˈɔsɪŋ ðə ɡɹˈænd ɹˈɪvɚ.
The old SH-33 followed the current US-412 to the junction of US-69, then north along US-69 a couple of miles, then back east, merging onto the current US-412 before crossing the Grand River.