Ponte de D. Luís

**Luis I Bridge**
	bridge in Porto, Portugal
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Instance of	deck arch bridge; road-rail bridge; truss arch bridge; iron bridge; cultural heritage; industrial heritage site; multi-level bridge;
Part of	Historic Centre of Porto;
Named after	Luís I of Portugal;
Location	Freguesia da Sé; Freguesia de Santa Marinha; Santa Marinha e São Pedro da Afurada; Cedofeita, Santo Ildefonso, Sé, Miragaia, São Nicolau e Vitória; Portugal;
Street address	Rua da Ribeira Negra, Avenida de Gustavo Eiffel, Avenida Vímara Peres, Avenida Diogo Leite, Avenida da República;
Architect	Léopold Valentin; Théophile Seyrig;
Crosses	Douro;
Carries	Republica boulevard;
Heritage designation	Immovable Cultural Heritage of Public Interest; Industrial Heritage; part of UNESCO World Heritage Site (Historic Centre of Porto, 1996–);
Inception	1881;
Date of official opening	31 October 1886;
Length	385.25 m;
Height	45 m;
Structure replaces	Ponte pênsil D. Maria II;
Different from	Santarém bridge;
	41° 08′ 23″ N, 8° 36′ 34″ W
Authority file
	Q1322447; Library of Congress authority ID: sh2016001061; National Library of Israel J9U ID: 987007396397705171; Structurae structure ID: 20000666; SIPA ID: 5548; DGPC ID: 74503; OpenStreetMap relation ID: 1712632
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