图为永安大桥成功实施爆破拆除。
图为永安大桥成功实施爆破拆除。
未拆除前的永安大桥
近日，湖南省张家界市慈利县永安大桥成功实施爆破拆除。该桥建于1973年，全长258.3米，桥面总宽9.42米，为钢筋混凝土双曲拱桥，拆除后将在原址重建新桥。重建的永安大桥全长493米，双向4车道。
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