Vasco da Gama Bridge 🌉 | Europe’s Longest Bridge and Portugal’s Engineering Marvel Lisbon awakens each day with the sun shimmering on the Tagus River—and rising above it, the Vasco da Gama Bridge. At 17.2 kilometers, this giant of concrete and steel is not only the longest bridge in the European Union, but also a symbol of Portugal’s vision to unite, innovate, and expand. Built in record time—just 18 months—and inaugurated in 1998 for Lisbon’s World Expo, the bridge was designed to ease traffic