102 Avenue bridge girder buckling (Groat Road closure)

http://www.journalofcommerce.com/Infrastructure/News/2015/3/Seventh-girder-could-stabilize-buckled-bridge-1006657W/

steel girders

Insufficient construction bracing????

girder buckling

Groat Road bridge failure may have come from wind, lack of bracing: engineer
http://www.journalofcommerce.com/Infrastructure/News/2015/3/Seventh-girder-could-stabilize-buckled-bridge-1006657W/