Low Danube waters expose foundations of Constantine's Bridge

Friday, 7 August 2026, 15:33

Low Danube waters expose foundations of Constantine's Bridge

PHOTO Regional Museum of History in Pleven

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Unusually low water levels in the Danube have exposed the foundations of Constantine's Bridge near the ancient city of Ulpia Oescus in northern Bulgaria.

Researchers from the Regional Museum of History in Pleven are seeking to map the bridge's route more precisely, uncover previously unknown structural elements and gain a better understanding of its construction.

Built on the orders of Emperor Constantine the Great and inaugurated in AD 328, the bridge stretched for more than 2 kilometres, linking Ulpia Oescus, near today's village of Gigen in Bulgaria, with Sucidava, near present-day Corabia in Romania.

The archaeologists also hope the research will provide new insights into changes in the course of the Danube over the past 1,700 years.


Editor: Miglena Ivanova

This publication was created by: Elizabeth Radkova