After damage occurs in facilities, the control of maintenance to the infrastructure like the Port and harbor facilities has been executed. Latest information of the investigation, the measurement, and the examination, etc. to understand the current state of the facilities is necessary to execute the control of maintenance of facilities efficiently. Obtained information becomes basic information on the diagnosis of the facilities situation based on the proper procedure. The forecast of the superannuation of facilities becomes extremely important for explaining validity and the priority level of the facilities maintenance. In this paper, a current state of the investigation of the Port and harbor facilities, the measurement, the diagnosis, and the deterioration forecast and technological problems were arranged.
