Abstract: The South-north Approach of Lijiatuo Changjiang River Bridge, Chongqing, is the main access co nnecting District Ba'nan with District Jiulong.However, the service level of this road is so bad that the frequency of traffic accident is very high,which influence the economic development of the district around the road. It's time to lay out it now.The author suggests a comparatively overall lay out plan from the seven aspects, subgrade, bridge deck,draining and soon.

Key words: bridge head, approach, damage, layout

摘要： 重庆李家沱长江大桥南北引道是通过李家沱长江大桥连接巴南区和九龙坡区的主要通道.但是,该道路服务水平极差,交通事故频发,严重影响了该地区经济等各方面的发展,路面的整治势在必行.笔者从路面、桥面、排水设施等六个方面对该引道提出了比较全面的整治方案.

关键词: 桥头, 引道, 病害, 整治