The present technology provides a two-part curable urethane adhesive composition including: a main agent (A) containing a urethane prepolymer (a); and a curing agent (B) containing a compound having two or more active hydrogen groups per molecule (b); wherein the compound having active hydrogen groups (b) includes a tri- or higher functional polyol compound with a molecular weight of 1000 or less (b1); and one or both of the main agent (A) and the curing agent (B) further contain a terpene oligomer (x).