Rainbow Bridge

Bridge: Rainbow Bridge
Type: Arch bridge (the largest natural bridge)
Material: Stone
Location: Utah, USA
Span: 275 feet
Arch rise: 290 feet
Thickness / Width: 42 feet/33 feet (arch top)
Designer: Nature
Reference: http://www.onthecolorado.org/articles.cfm?mode=detail&id=1237325221330, http://travel.nationalgeographic.com/places/gallery/landmarks-us_rainbow-bridge-landmark.html, http://www.sunrisefantasy.com/Neighborhood.htm

Whittle Arch and Glass Bridge

Bridge: Whittle Arch and Glass Bridge
Type: Footbridge
Material: Steel & glass
Location: Coventry, UK
Length/ Main span: 130m/ 50m
Designer: Arichitect MacCormac Jamieson Prichard
Reference: http://www.betterpublicbuildings.gov.uk/finalists/2004/glassbridge/

Bamboo Bridge

Bridge: Bamboo Bridge
Type: Girder footbridge
Material: Steel & bamboo
Location: Dos Lagos, California, USA
Length: 1000 feet
Width: 15 feet
Designer:Norberto F. Nardi, AIA
Reference: http://www.nikiomahe.com/architecture-design/dos-lagos-heart-public-areas/, http://www.pe.com/localnews/inland/stories/PE_News_Local_H_green23.3e9b0d5.html

Paper Bridge

Bridge: Paper Bridge
Type: Arch footbriidge
Material: 281 carboard tubes
Location: Gardon River, France
Weight: 7.5 tonnes
Capacity: 20 people
Length: unknown
Designer: Architect Shigeru Ban
Reference: http://spluch.blogspot.com/2007/07/bridge-made-of-paper-unveiled-in.html, http://www.aiacc.org/site/docs/ban.pdf