Skarnsund Bridge is a cable-stayed bridge over Skarnsundet in Inderøy in Trøndelag in Norway. The bridge connects Mosvik with Utøy.
Construction began in 1989, and the bridge was opened by King Harald V on 19 December 1991, the bridge replaced the ferry connection that was closed when the bridge opened. Skarnsund Bridge won in 1992 Betongtavlen ("The Concrete Tablet") is a Norwegian architecture and civil engineering award. Skarnsundbrua Bridge was the world's largest cable-stayed bridge between 1991 and 1993. Skarnsundbrua is 1010 meters long and the largest span is 530 meters.
Since 2007, the bridge was free to pass.
Skarnsundbrua bridge was listed in 2008 by the Norwegian Directorate for Cultural Heritage.