A hinge for use in pairs hingedly connecting two generally coplanar wooden structural members of a wooden truss structure enabling folding of the structure to reduce its height for transport over the road, comprising two pivotally interconnected plates each having teeth for nailing them to the wooden members and one having fingers for engagement with a surface of a wooden member for accurate alignment of two of the hinges for being nailed to the two members at opposite faces thereof to form a hinged joint between the members, and hinged joints utilizing the hinges.