9 Season
77 Episode
Extreme Engineering - Season 5 Episode 2 World's Biggest Arch Bridge
The Hoover Dam Bypass Project aims to remove traffic congestion along U.S. Highway 93 at the Colorado River crossing. A new arch bridge will span the river near Hoover Dam.
- Year: 2011
- Country: United States of America
- Genre: Documentary
- Studio: Discovery
- Keyword: engineering
- Director:
- Cast: