Watch Extreme Engineering: Cooper River Bridge (1970) : Full Movie Online Free Risking their lives against the threat of turbulent storms, crews of builders in South Carolina labor to create the longest cable-stay bridge in America, a gargantuan link that must withstand hurricanes and earthquakes. Around the world, ambitious engineers continue to design modern wonders to revolutionize global industry, and this installment from the popular Discovery Channel series captures one such monumental leap in technology.