The Padma Bridge is a multipurpose road-rail bridge across the Padma River, globally known as the Ganges, under construction in Bangladesh. It will connect Louhajong, Munshiganj to Shariatpur and Madaripur, linking the south-west of the country, to northern and eastern regions. Padma Bridge is the most challenging construction project in the history of Bangladesh. The two-level steel truss bridge will carry a four-lane highway on the upper level and a single track railway on a lower level. With 150.12 m (492.5 ft) span, 6.241 km (3.878 mi) total length and 18.18 m (59.6 ft) width, it is going to be the longest bridge in Bangladesh, the second longest in the Indo-Gangetic Plain after Bhupen Hazarika Setu in Assam and the longest over Ganges in terms of both span and the total length. Padma Bridge, when commissioned, is expected to boost the GDP of Bangladesh by as much as 1.2 percent.