Oliveira Bridge: World's First X - shaped Bridge
The Octavio Frias de Oliveira Bridge over the Pinheiros River in São Paulo, Brazil was opened in May 2008. It is 138 metres (450-ft) tall, and connects Marginal Pinheiros to Jornalista Roberto Marinho Avenue. Its design is unique in that the 2 curved decks of the bridge cross each other through its X-shaped supporting tower