The Dom Luís I Bridge (Portuguese: Ponte de Dom Luís I), or Luís I Bridge, is a double-deck metal arch bridge that spans the river Douro between the cities
his maternal grandfather, King Dom Joseph I of Portugal. He was the second son of the Princess of Brazil and Infante Peter of Portugal, who later became
Comercial do Porto) in Neoclassical style. It is located in the Infante D. Henrique Square in the historical centre of Porto, designated World Heritage
highway bridge on the east side of the city. The newest bridge is InfanteDomHenrique Bridge, finished in 2003. Two more bridges are said to be under designing