ˌɔn mˈɑːɹtʃ nˈaɪntiːn, nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi, ɐ sˈɛkʃən fɹʌm tʃˈæpmən ɹˈæntʃ tə kˈɔːɹpəs kɹˈɪsti wʌz ˈædᵻd, ɹᵻplˈeɪsɪŋ ðæt sˈɛkʃən ʌv ˌɛsˈeɪtʃ fˈɪfti sˈɛvən ænd kɹiːˈeɪɾɪŋ ɐ ɡˈæp.
On March 19, 1930, a section from Chapman Ranch to Corpus Christi was added, replacing that section of SH 57 and creating a gap.