Kammala jumla mai zuwa: Bayan lokacin da yake aiki a Missouri Union kuma daga baya a Kamfanin Car &amp; Foundry na Amurka, Bixby ya sadaukar da lokacinsa ga kungiyoyi da ayyuka da yawa a yankin St. Louis. A cikin shekarar da ta gabaci ritaya, ya jagoranci kwamitin zane-zane na Fine Arts don
1904 World Fair, wani aiki da ya taimaka wahayi zuwa gare halittar St. Louis Art Museum. An zabe shi a matsayin memba na Ƙungiyar Ƙwararrun Ƙwararrun Amirka a 1906. Bayan da ya yi ritaya daga masana'antar jirgin kasa, ya yi aiki a matsayin shugaban kungiyar Missouri Historical Society sau biyu, tsakanin 1907-1913 da tsakanin 1925-1930. Ya kuma yi aiki a hukumar Jami'ar Washington a St. Louis, inda ya yi aiki tare da Robert S. Brookings don sake gina makarantar likita kuma ya taimaka wajen ƙirƙirar Shugaban Bixby na Surgery. Ya yi aiki na ɗan gajeren lokaci a matsayin shugaban Laclede Gas kuma a matsayin darektan bankunan da yawa a kusa da St. Louis.