
纳金大桥被誉为“拉萨第一桥”,是我区“十一五”规划的188个重点工程之一,位于拉萨市东郊,全长1.28公里,桥宽33米,双向6车道,总投资2.46亿元,抗震设防烈度为9度,设计使用年限100年。
全桥由主桥、南引桥、北引桥组成,其中主桥为三塔四跨单索面预应力混凝土斜拉桥,这也是目前世界上海拔最高的矮塔斜拉桥。纳金大桥于2011年3月开工,目前整个工程建设已进入尾声,有望在本月底实现竣工通车。
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