After his retirement as a player, Bahr became a successful soccer coach for two professional teams, as well as the college teams at Temple and Penn State, while simultaneously coaching a high school team as well.
After his retirement as a player, Bahr became a successful soccer coached the Philadelphia Spartans and the Philadelphia Ukrainians of the American Soccer League (ASL). He also coached the Temple and Penn State men's soccer teams, while simultaneously coaching a high school team as well.