The Vasco da Gama Bridge is a cable-stayed bridge flanked by viaducts and range views that spans the Tagus River near Lisbon, capital of Portugal. It’s the longest bridge in Europe (including viaducts), with a total length of 17.2 km (10.7 mi). The bridge also has six lanes of traffic (soon to be eight when there is more traffic) and 75 mph speed limit.