Ponte di Quintodecimo, Roman stone bridge in Acquasanta Terme, Italy.
Ponte di Quintodecimo is a Roman stone bridge crossing the Garrafo River with seven arches built from carefully cut stone blocks. The structure uses the classic Roman arch technique, a design that has allowed water to flow beneath it for nearly 2,000 years.
This bridge was built during Emperor Augustus's rule at the start of the 1st century as part of the Via Salaria road network. That important route connected Rome to the Adriatic coast, making this crossing essential for merchants and travelers moving between regions.
The name refers to an ancient Roman measurement system that the builders used to mark distances along their roads. Walking across it, you can see how the Romans constructed each layer of stone with care and precision.
You can walk to the bridge through local roads in town, and the structure is stable and safe for crossing on foot. Morning or late afternoon visits work best, as you will have quieter access and better light for seeing the stonework details.
Despite its age, this bridge keeps much of its original stonework and building pieces intact, making it one of the few Roman structures that remains largely unchanged since construction. Two other Roman bridges stand nearby in the same town, creating a rare collection of ancient crossings you can visit.
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