Acquedotto dei Ponti Rossi, prima diramazione

In the eastern approaches to Naples, a fragment of Roman engineering endures, stubborn and elegant. This aqueduct bridge, the Acquedotto dei Ponti Rossi, carries its water-channel on twenty-two arches, arranged in eleven shared-pier bays, running roughly northeast to southwest. The gradient is a whisper: 0.16 per thousand, a reminder of the precision required to move water from the high springs of the Aquaro, some 370 metres above sea level, down to the city’s edge at 41 metres.

The masonry tells a story of repair and reuse. Lower sections show opera vittata, neat tuff blocks laid in regular courses, while above, brickwork replaces an earlier opera reticulata of yellow tuff cubes, still visible in the uppermost parts. Two arches now sit within a condominium on via Nicolini, their lower piers preserved to about a metre and a half, whitewashed in places. Six more arches along the same street have been heavily restored. The canal itself is gone; the structure remains, a quiet, crumbling testament to the Roman talent for making the invisible, water, gradient, supply, monumental.

Description via source. Coordinates and heritage data from the Atika atlas.