Narrows Bridge (Perth) railway bridge deck was made from nine steel girders each weighing up to and up to long. These girders were built in Kwinana, brought to the site by road and lowered into position with a crane. Narrows Bridge (Perth) The Narrows Bridge is a freeway and railway crossing of the Swan River in Perth, Western Australia. Made up of two road bridges and a railway bridge located over a section of water known as "The Narrows", located between Mill Point and Point Lewis, it connects the Mitchell and Kwinana Freeways, linking the city's northern and southern suburbs. The original road
Verrazzano-Narrows Bridge the world's longest suspension bridge. Because of thermal expansion of the steel cables, the height of the upper roadway is lower in summer than in winter. The Narrows is the only entry point for cruise ships and container ships that dock in New York City. As a result, they must be built to accommodate the clearance under the bridge. At mean high water, that clearance is . The RMS "Queen Mary 2", one such vessel built to Verrazzano-Narrows Bridge specifications, was designed with a flatter funnel to pass under the bridge, and has of clearance under the bridge during high