Lidingöbron (lit. 'The Lidingö Bridge') is the name of two existing and two historical bridges across the strait of Lilla Värtan between the mainland Norra Djurgården at Ropsten, at the eastern part of Stockholm, and the island of Lidingö. History. First pontoon bridge. At a parish meeting in 1802, the inhabitants of Lidingö, at the time a mostly agricultural district, decided to open a venture to realize a pontoon bridge connecting the island to Stockholm.
https://en.wikipedia.org/wiki/Liding%C3%B6bron