Abstract: According to the ground movement and cracks development in Huafeng Mine,the characteristics and forms of cracks effecting on the bridge are analyzed in this paper.Based on the actual situation of Luli Bridge,a series of technical measures have been done,such as reinforce the superstructure and substructure of bridge,reinforce the bridge foundation and cracks in shallow stratum,and strengthen grouting.At the same time,Luli Bridge is monitored in convention mode and concentrated mode,and more attention is paid to detecting insidious cracks.With these technical measures have been implemented,the Luli Bridge is in the normal use.