The Dom Luís I (or Luiz I) Bridge (Portuguese: Ponte Luís I or Luiz I) is a metal arch bridge that spans the Douro River between the cities of Porto and Vila Nova de Gaia in Portugal. At the time of construction its span of 172 m was the longest of its type in the world.
The government held a competition for the construction of a metallic bridge over the Douro River on a site that was adjacent to an existing bridge that it would replace. Téophile Seyrig had engineered the D. Maria Pia Bridge project nearby, whilst working as a partner of Gustave Eiffel. He now took sole responsibility for the new, major Luís I Bridge. The construction was begun in 1881 and the bridge opened on 31 October 1886 (the upper deck; the lower deck opened in 1887).
  • Total length 385.25 m
  • Weight 3045 tons
  • The arch measures 172 m in length and 44.6 m in height
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Categories & Keywords
Category:Travel and Places
Subcategory:Europe
Subcategory Detail:Portugal
Keywords:Eiffel, Heritage, Oporto, Ponte Dom Luis I, Porto, Portugal, Unesco, World, bridge, brug, metal arch bridge, monument, weltculturerbe, welterbe, werelderfgoed