When cruising the Douro River, Ponte Arrábida is one of the six bridges that river cruisers will see. The six-lane arch bridge is the closest to the mouth of the Douro River. It connects Porto to Vila Nova de Gaia, an area well-known for port wines.
Read more about the 6 Bridges River Cruise from portoalities.com. The site lists the companies offering the cruise. Prices may have changed.