are network arch bridges. This strict rule is justified, because it leads to a more efficient structure. Examples , Norway (1963) Fehmarnsund Bridge, Germany (1963) Lake Champlain Bridge USA, 2011 Providence River Bridge, USA (2008) , Norway (1963) Blennerhassett Island Bridge, USA (2008) George C. King Bridge, Canada (2014) Troja Bridge, Prague, Czech Republic (2014) Bugrinsky Bridge, Novosibirsk, Siberia (2014) Ordsall Chord, United Kingdom (2017). References External links http://www.network-arch.com (Information on network arch bridges) http://home.uia.no/pert/ (Information on network arch bridges by Per Tveit) http://www.pineapplestudios.com/IWAYSite (Information on the construction of Providence River Bridge) Arch bridges