A two-part curable urethane adhesive composition of the present technology comprises: a main agent containing a urethane prepolymer (A), an isocyanate group-containing polyisocyanate (B), and isocyanate silane (C); and a curing agent containing a compound having at least two active hydrogen groups per molecule (D) and an aromatic compound (E) represented by Formula (1) below, where n is an integer of 1 to 5, and X represents a hydrogen atom, a hydroxy group, or an alkoxy group having from 1 to 12 carbons.