PHOTO COURTESY OF Trey Cambern 2011 / HNTB Corporation Steel arch is put in place on new Lake Champlain Bridge. Infrastructure 900-Ton Lift Tops Off Bridge Job A crucial New York-Vermont link is in the home stretch after the successful installation of a 405-ft-long, 85-ft-tall, 45-ft-wide tied steel-arch main span over Lake Champlain on Aug. 28. Under a $70-million fast-track contract, Flatiron Constructors lifted the 900-ton piece into place with a strand jack system supported by barges. Now more than 80% complete, the new crossing will replace an old bridge that was abruptly shut down in 2009 because of safety
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.