Dom Luis I Bridge

Name: Dom Luis I Bridge
Address: Porto, Portugal, Porto, PT

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About

Dom Luis I Bridge is a two-deck metal arch bridge over the Douro between Porto and Vila Nova de Gaia.

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Why go

A 172-metre arch that was the longest of its type when built.
Designed by Théophile Seyrig, who had formerly partnered with Gustave Eiffel.
A Douro setting between granite banks, Porto Cathedral and the Serra do Pilar escarpment.

Don't miss

Two-level structureNotice the metal truss arch and additional suspended span.Across the Douro between Porto and Vila Nova de Gaia
Marble plaquesThe plaques bear the inscription “PONTE LUIZ I”.At the arch bases
Ponte Pênsil obelisksTwo obelisks from the former suspension bridge remain beside the north tower.Beside the north tower

Know before you go Tips for your visit

Know before you go

The upper deck is reserved for Porto Metro line D and pedestrians.
The lower deck is restricted to buses, taxis, cyclists and pedestrians.

Tips for your visit

The upper deck has footpaths on both sides.
The lower deck has narrow sidewalks.
The lower deck is about 45 metres below the upper deck; choose the level that matches your destination.

Interesting facts5

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3,045 tonnes
The bridge weighs 3,045 tonnes.
Ponte de D. Luís (Porto) - Wikipedia
385.25 metres
It is 385.25 metres long.
Ponte Dom Luís I - Wikipedia
It is Porto’s second-oldest surviving bridge over the Douro.
Ponte Dom Luís I - Wikipedia
The bridge has UNESCO World Heritage recognition.
Pont Dom-Luís - Wikipedia
1982
It became a Property of Public Interest in 1982.
Dom Luís I Bridge - Wikipedia

Shorts

History

Bishop D. Américo blessed the bridge during its opening ceremonies. Gas lamps once lit the decks and approaches: 24 above, eight below and eight at the approaches.

1806An earlier boat bridge stood at this site.
1843A cable suspension bridge replaced the boat bridge; its north-bank pylons remained beside the later bridge.
1879A competition was called for a two-level metal bridge to handle growing traffic between Porto and Gaia.
1881Construction began on Théophile Seyrig’s design for Société de Willebroeck.
1886The upper deck opened, and King Dom Luís I inaugurated the bridge on 31 October.

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1888The lower deck opened, bringing the bridge into full operation.
1954A public works project extended the decks and removed their electrification.
2004The upper deck closed to road traffic after the Ponte do Infante opened upstream.
14 Oct 2021–14 Apr 2023The lower deck closed for repairs on 14 October 2021 and reopened on 14 April 2023.

How to get there

On footNorth upper approach: Porto city centre and São Bento station.
On footSouth upper approach: Serra do Pilar Monastery and the upper Gaia Cable Car station.
On footNorth lower approach: Praça da Ribeira and the lower Guindais Funicular station.
On footSouth lower approach: Gaia waterfront and its Port wine lodges.

Sources: Dom Luís I Bridge - Wikipedia · Ponte Dom Luís I - Wikipedia · Pont Dom-Luís - Wikipedia · Ponte de D. Luís (Porto) - Wikipedia · checked 28 Sep 2026

Where

Porto, Portugal

Plan from here: A day out →

Questions and answers

Who is Dom Luis I Bridge named after?

It is named for King Dom Luís I, who ruled while the bridge was being built. Its official name is Luiz I; locals have traditionally called it Ponte de D. Luís.

Does Dom Luis I Bridge have protected status?

It became a Property of Public Interest in 1982 and has UNESCO World Heritage recognition.

How was Dom Luis I Bridge originally lit?

Gas lamps lit the bridge: 24 on the upper deck, eight below and eight at the approaches.

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