Review article

The paper considers the problems of using in the practice of designing typical projects (TP) of steel-reinforced concrete bridges (SRCB) from the perspective of modern regulatory requirements. The author highlights the issues of the application legitimacy of the TP series 3.503.9-43/89. The results of calculation of this SRCB composite superstructure (SS) for modern loads А14 and Н14 for G-11.5 clearance are given. There have been analyzed recent studies on bending concrete filled tube elements. A new design of composite CFT beams is proposed. The calculation and comparison of the proposed beams with the typical ones have been carried out. Some recommendations for improvement and development of new constructive-technological solutions of composite bridges are offered.