From the very beginning structural art has always been of prime importance to the cultures of societies. Besides the historical marvels as ziggurats of Mesopotamia, pyramids of ancient Egypt, acropolises and theatres of ancient Aegean civilizations, bridges, aqueducts of Romans, cathedrals of medieval Christianity, great mosques of Islamic culture, yurds of nomads and thatching techniques of the primitive cultures as well as wooden structures of far eastern cultures should equally and easily be mentioned under this context... In the course of time there has always been urges for mankind, communities to connect themselves with other places and people and attempt to overcome difficulties exposed by the natural and/or manmade environment, spanning and traversing over certain obstacles such as rivers, valleys, constructional objects and others. The simple solution was "Bridge". Gradually the distances that seemed impossible to encompass began to get achieved by the development of diverse..