1　公路桥梁建设的成就我国经过改革开放20年的实践,经济建设和各项事业取得了举世瞩目的成就。国民经济发展的第二步战略目标翻两番的任务提前完成;社会主义市场经济体制初步建立,全方位、多层次、宽领域的对外开放格局基本形成。沿海地区社会生产力水平显著提高,西部大开发战 Achievements in Highway Bridge Construction After 20 years of reform and opening up, our country has made remarkable achievements in economic construction and various undertakings. The task of quadrupling the strategic goal of the second stage of the national economic development was completed ahead of schedule. The socialist market economic system was initially established and the pattern of opening to the outside world in an all-round, multi-level and broad-area setting up basically. The level of social productivity in coastal areas has risen markedly and the western development war has taken place