From wikipedia on the bridge:
History
On 18 September 1998, a project worth Tk. 3,843.50 crore was proposed for the construction of a bridge over the Padma River on the Dhaka-Mawa-Bhanga-Khulna Highway with the aim of establishing direct communication between the capital and the south and southwest of the country. At 5 km long and 18.10 m wide, this bridge is considered to be the longest possible bridge in the country. Construction was proposed to begin in July 1999 and be completed in June 2004. The proposed amount of Taka 2,893.50 crore was from foreign sources and Taka 750 crore from local sources.
[11]
In the 2006-2007 Annual Development Program, the then Government of Bangladesh adopted a plan to build the Padma Multipurpose Bridge.
[12]
The Bangladesh Bridge Authority (BBA) invited the pre-qualification tender for the project in April 2010. Construction of the bridge was expected to commence by early 2011
[13] and be ready for major completion in 2013 (and complete all sections by late 2015
[14][
unreliable source?]).
After allegations of corruption by some people associated with the project's preparation, the World Bank withdrew its commitment and other donors followed. The
Government of Bangladesh then decided to fund the project itself.
[8]
China proposed building the bridge on the build-operate-transfer (BOT) basis by investing $2 billion or 70 percent of the project cost. Four companies—China Major Bridge Engineering Company, Daelim-L&T JV and Samsung C&T Corporation—purchased the tender papers. However, only the Chinese company submitted their financial proposal on 24 April 2014.
On 17 June 2014, important progress had been made in the construction of the Padma Multipurpose Bridge. A construction firm, China Major Bridge Engineering Company Ltd, was selected to construct the long aspired bridge on the river Padma. The 6.15 km bridge cost an estimated ৳91.72 billion (US$1.1 billion).