A pair of cast concrete lions, designed by sculptor Charles Marega, were placed on either side of the south approach to the bridge in January 1939.[2]. [23], From 2000 to 2001, the replacement of the entire suspended structure of the original suspension bridge was undertaken without interruption of peak-hour traffic – the first time an entire suspended structure of a major suspension bridge was replaced while in daily use. Le Narrows Bridge est un pont autoroutier traversant le fleuve Swan, à Perth en Australie-Occidentale.. Il relie Mill Point et Mont Eliza en passant au-dessus d'un plan d'eau nommé The Narrows. Unfortunately, at Tacoma Narrows, just four months after the bridge’s … On January 20, 1955, the Guinness family sold the bridge to the province of British Columbia for $5,873,837.17 – the cost of the original construction. The new bridge marks the first installation of the new Good To Go electronic toll collection system. The bridge collapse had lasting effects on science and engineering. Its main span collapsed into the Tacoma Narrows four months later on November 7, 1940, at 11:00 a.m. (Pacific time) as a result of aeroelastic flutter caused by a 42 mph (68 km/h) wind. Northbound traffic on the bridge heads in their general direction. Local residents nicknamed the new bridge Sturdy Gertie, as the oscillations that plagued the previous design had been eliminated. Les travaux de réfection du pont, ainsi que la météo, sont mis en cause par la police pour expliquer le drame. The original Tacoma Narrows Bridge opened on July 1, 1940. Trucks exceeding 13 tonnes (12.8 long tons; 14.3 short tons) are prohibited, as are vehicles using studded tires. Bridge - Bridge - Tacoma Narrows: In 1940 the first Tacoma Narrows Bridge opened over Puget Sound in Washington state, U.S. Spanning 840 metres (2,800 feet), its deck, also stiffened by plate girders, had a depth of only 2.4 metres (8 feet). Les ponts suspendus ancrés au sol nécessitent la présence de massifs d'ancrage imposants et lourds. No need to register, buy now! La dernière modification de cette page a été faite le 15 janvier 2020 à 19:40. [9][10] After considerable further negotiations with the federal government, approval was finally granted, with the requirement that Vancouver materials and workmen be used as much as possible to provide employment during the Great Depression. [19] Changes were made shortly after, as the tolls were removed and overhead lane controls were added. Vous pouvez partager vos connaissances en l’améliorant (comment ?) Northbound traffic on the bridge heads in their general direction. The 1933 bylaw authorizing construction included a provision mandating that "no Asiatic person shall be employed in or upon any part of the undertaking or other works".

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