Traffic is now flowing on Prague's new Troja Bridge following its much-delayed recent opening. Straddling the Vltata River, the steel-arch structure incorporates crisscrossing steel-rod hangers, giving it one of Europe's most slender bridge profiles.
Despite the lower-than-normal arch height, the structure is "very stable concerning the dynamic response," says Vladimír Janata, chief technical officer and chairman of the bridge's steelwork design subcontractor Excon A.S.