USE OF SPECIALIZED SOFTWARE TOOLS FOR MODERN BRIDGE DESIGN J. Stampler * , H. Bokan ** , D. Janjic *** , M. Heiden **** * Senior Consulting Engineer, TDV GmbH, Graz, Austria ** Manager Project Centre, TDV GmbH, Graz, Austria *** Managing Director, TDV GmbH, Graz, Austria **** Project Engineer, TDV GmbH, Graz, Austria Key words: Software tool, bridge design, mathematical model, mechanic