Ponte Romano

Where the Via Traiana reached the Ofanto at Canosa, Roman engineers threw a five-arch bridge across the river on four massive pointed piers. Built between the first and second centuries AD and repaired ever since, it still carries the road's ancient line in its humped back — the most atmospheric Roman survival in the Canosa countryside.

Why it matters

Roads made Canusium rich, and bridges kept the roads alive. The bridge over the Ofanto carried the Via Traiana, the artery Trajan opened to join Benevento with Brindisi, and for centuries it funnelled trade between the city and the Daunian interior. The Fondazione Archeologica Canosina includes it among the monuments of its circuit, and the regional park of the Ofanto, whose corridor follows the same river, documents its structure in detail: five arches of different spans resting on four sturdy piers, each cut with boat-shaped breakwaters upstream and down. Little Roman fabric survives at the visible level — the park authority notes the upper part is largely the work of modern restorations — yet the bridge remains a working piece of engineering history, not a stranded ruin.

What to notice

The bridge’s silhouette the arches rise and fall so that the deck describes a pronounced humpback, the profile the Italian sources call a schiena d'asino. The piers have pointed cutwaters of varying size; the stonework uses squared blocks of sandstone and tufa. At the two ends, long ramps tie the bridge into the riverbanks, and later buttresses, added to reinforce the structure, show where centuries of floods took their toll. The contrast between the ancient concept and the repaired fabric is the monument's story: the Canosina foundation records restorations already from the Aragonese period onward, all of which preserved the characteristic humpbacked form.

Context and history

The bridge belongs to the infrastructure that Trajan's road brought to northern Apulia in the early second century AD, and the park authority dates its construction between the first and second centuries AD on the Via Traiana's route, where it served as a road junction and commercial crossroads. On the Canosa side, the road climbed toward the city past the cemeteries that lined it — the podium-type Roman tomb known as the Bagnoli mausoleum stands a little way along the same corridor — while beyond the river the road ran on toward the Daunian interior. Through the Middle Ages the crossing kept its value: the documented repairs from the Aragonese period onwards trace a monument continually renegotiated with the river, its Roman foundations carrying traffic far newer than themselves.