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
Tacoma Narrows Bridge (1950) suspension bridge designed and built with hydraulic motion damping devices. The 1950 Tacoma Narrows Bridge undergoes a rigorous maintenance schedule that is a year-long effort. Maintenance crews often perform replacement of steel parts, and inspect the steel cables and towers at night or at low traffic hours. Painting the bridge is also a drawn-out task. Working only during the summer months, it takes ten years to paint the span. The color of the bridge is officially known as "Narrows Green", a grayish-green hue that was the original color of the ill-fated 1940 span (called Chrome Green in a 1940 newspaper