Table:
text: List of longest suspension bridge spans
Bridges under construction
Bridges under construction
Name_ Main_span_metres Main_span_feet Year_to_open Country
İzmit Bay Bridge 1550 5085 2017 Turkey
Yavuz Sultan Selim Bridge 1408 4619 2015 Turkey
Longjiang River Bridge 1196 3924 2015 China
Longmen Bridge (Guangxi) 1160 3806 2016 China
Ulsan Bridge 1150 3773 2014 South Korea
Hålogaland Bridge 1145 3757 2017 Norway
Ma`anshan Bridge 1,080 (x2) 3,543 (x2) 2013 China
Second Namhae Bridge 890 2920 2016 South Korea
Cuntan Bridge 880 2887 2016 China
Lishui Bridge 856 2808 2013 China
Jeokgeum Bridge 850 2790 2013 South Korea
Yingwuzhou Bridge 850 (x2) 2,790 (x2) 2015 China
Qincaobei Bridge 788 2585 2013 China
Puli Bridge 628 2060 2015 China

Question: What is the main span of bridges under construction of Qincaobei Bridge in the list of longest spans of suspension bridges?