Mega Builders

Mega Builders

Crossing the Colorado (2x6)


: 29, 2007

In a rugged canyon, just downriver from the Hoover Dam, a team of construction veterans is hard at work, building the biggest concrete-arch bridge on the continent. This spectacular structure will stretch almost two thousand feet across the Colorado River, between Nevada and Arizona.

  • : 2005
  • : 40
  • : 4
  • Discovery