🏛️ Archaeological Ensemble of Mérida: Alcantarilla Bridge
Roman bridge crossing the Albarregas River, Mérida, Spain
📌 Fast Facts
- Location: Albarregas River, Mérida, Spain
- Construction: Roman opus caementicium (Roman concrete)
- Age: Approximately 2,000 years old
- UNESCO inscription: 1993
The Alcantarilla Bridge is a Roman bridge crossing the Albarregas River in Mérida, Spain, that demonstrates the engineering principles underlying imperial transportation networks. Built with opus caementicium, a durable Roman concrete formulation, the structure has remained substantially intact for approximately two millennia. The Alcantarilla Bridge was inscribed as a UNESCO World Heritage Site in 1993 as part of the broader Archaeological Ensemble of Mérida. As of 2026, the bridge remains ...