A brace assembly can include a structural member including a sidewall; and a bracket including a baseplate defining a slot extending from an open end to a closed end, the baseplate defining at least one baseplate hinge hole at the open end; a clamp including a jaw member and a tightening member, the jaw member and the tightening member engaging the sidewall to couple the structural member to the bracket, the jaw member defining a clamp hinge hole; and a hinge pin engaging the at least one baseplate hinge hole and the clamp hinge hole.