Dom Luís I Bridge

Dom Luís I Bridge Ponte de Dom Luís I
Coordinates	41.139863°N 8.609336°W / 41.139863; -8.609336
Carries	Light rail line and pedestrians (upper deck) General traffic and pedestrians (lower deck)
Crosses	Rio Douro
Locale	Porto, between the City of Porto proper and Vila Nova de Gaia
Official name	Ponte de D. Luís
Heritage status	Property of Public Interest Imóvel de Interesse Público; Decree 28/82, Diário da República, Série 1, 47 (26 February 1982); Included in the Historic Centre of the City of Porto (PT011312140163) and partially included in the Historic Zone of the City of Porto (PT011312070086)
SIPA Identification	IPA.0000554/PT011312140057
Preceded by	Ponte Pênsil
Characteristics
Design	Two-hinged double-deck arch bridge
Material	Iron
Trough construction	Granite
Pier construction	Asphalt
Total length	Two decks of varying lengths: 172 metres (564 ft) (lower deck) and 395.25 metres (1,296.8 ft)
Width	8 metres (26 ft) vehicular width (between pedestrian walkways)
Height	45 metres (148 ft)
Longest span	395.25 metres (1,296.8 ft)
History
Designer	Théophile Seyrig
Constructed by	Société Willebreck
Construction start	21 November 1881
Construction end	30 October 1886
Construction cost	369,000$00 réis
Inaugurated	31 October 1886
Statistics
Toll	1 November 1886-1 January 1944
Location

The Dom Luís I Bridge (Portuguese: Ponte de Dom Luís I), or Luís I Bridge, is an arch bridge in Portugal. It goes across the River Douro. It connects the cities of Porto and Vila Nova de Gaia.