Arrábida Bridge, Concrete arch bridge in Porto, Portugal
Arrábida Bridge is a concrete arch crossing over the Douro that links Porto with Vila Nova de Gaia through six traffic lanes positioned 52 meters above the water. The reinforced concrete construction extends 493 meters and rests on a single arch with a span of 270 meters.
Completion came in 1963 and brought the city the longest concrete arch span in the world at that time. The Portuguese state later granted the structure the status of a national monument in recognition of its importance to regional development.
The name comes from the nearby Arrábida mountain range that shapes the landscape south of Lisbon. Residents on both riverbanks experience the structure as a natural part of their daily routine, while visitors often pause to photograph its graceful curve.
The structure carries heavy daily traffic across six lanes and forms a major connection between the two cities on the Douro. Walking along the riverbank provides viewpoints on both shores that offer clear sightlines to the arch.
Since 2016, visitors can walk directly on the arch itself while secured by safety equipment, experiencing the construction up close. These guided tours allow direct contact with the supporting structure and offer an unusual perspective of the river below.
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