The Troja Bridge (2014) (Czech: Trojský most) is a bowstring arch bridge in Prague that crosses the Vltava river. It opened to traffic in October 2014. The bridge is 262 metres (860 ft) long. It was designed by Mott MacDonald and Koucky Architects, and was constructed by Metrostav. It connects the districts of Troja and Holešovice. The bridge is noted for slender arch and low height-to-span ratio.