Pipeline is very important infrastructure which is directly related to our daily life. Nevertheless, it is not considered significantly unless it breaks. As most pipelines are buried at a certain depth from the surface of road pavement in urban areas, they are subjected to traffic load. This paper presents the performance of buried concrete pipe under heavy traffic load. Hence, one of the major factors affecting their performance is burial depth. To consider this factor, the ratio of burial depth (H) to diameter of pipe (D) was defined as a key variable. The integrity of buried concrete pipe was investigated with two cases of ratio of burial depth to pipe diameter (H/D=2 and H/D=4). The results provide the limit burial depth to ensure the soundness of buried concrete pipe subjected to heavy traffic load, and more economical design is anticipated with the results.