Mahatma Gandhi Setu (Bridge) in Patna, Bihar is India's longest river bridge spanning the Ganges at 5,575 meters. Completed in 1982, it connects Patna to Hajipur and is a vital link on National Highway 19. Sethu Samudram is a shipping channel project, Krishna Barrage is in Andhra Pradesh, and Narmada is a river/bridge project in Gujarat.