Ahmedabad: Construction of a 36-meter-high bridge over the Sabarmati River is progressing steadily as part of the Mumbai-Ahmedabad High-Speed Rail (Bullet Train) project, with several key structural milestones already achieved, officials said. 480-metre bridge rising beside Ahmedabad-Delhi rail line The bridge, approximately 480 metres in length and comparable in height to a 12-storey building, is.