Longest road bridge
Bang Na Expressway
Thailand Bangkok
The six-lane elevated Bang Na Expressway (aka the Bang Na-Bang Phil-Bang Pakong Expressway or the Burapha Withi Expressway) runs for 54 km (33.5 miles) through Bangkok, Thailand, and was constructed using 1.8 million m3 (63.5 million ft3) of concrete. It was opened on 7 February 2000 at a cost of $1 billion (then £770 million).