Bridge_+presentations

Vasco de Gama bridge.

**Type of bridge: cable-stayed bridge**
====**Purpose: Its purpose is to alleviate the congestion on Lisbon's other bridge, and to join previously unconnected motorways radiating from Lisbon. ** ==== ====** materials:  Reinforced concrete structure with main deck stayed to main pylons and central H-shaped pylons of 155m high. ** ====