Nine Arches Bridge is a British colonial-era railway viaduct located in Demodara, between the Ella and Demodara railway stations in the Uva Province of Sri Lanka.

Built in 1921 entirely from brick, rock, and cement, the bridge spans 91 meters in length, and stands 24 meters in height.

It is renowned for its scenic train journeys and offers panoramic views of the surrounding hills, tea plantations, and valleys.