The San Juanico Bridge, part of the Pan-Philippine Highway, stretches from Samar to Leyte across the San Juanico Strait in the Philippines. Its longest length is a steel girder viaduct built on reinforced concrete piers, and its main span is of an arch-shaped truss design. With a total length of 2.16 kilometers (1.34 mi),[1] it is the longest bridge in the Philippines spanning a body of seawater.The bridge was then named as Marcos Bridge after the era that was built upon.

