For each policy of road maintenance, there are two methods of assessing the pavement condition, the environmental inspection which is generally based on a visual survey to define the various surface damages such as: Potholes, pull-outs, and cracks, and another physical one using new technology equipment to evaluate the pavement structural deterioration based on the measurements of the evenness and deflection using the longitudinal profile analyzer and the deflectograph. In this cedi, Pavement condition is an essential parameter for assessing pavement quality at a given time and to prevent future scenarios of possible maintenance. In this regard, the analysis, collection and abstraction of the different road data base is a very complex and essential process to study. In this respect, and in the framework of our collaboration with the Moroccan National Center for Road Studies and Research, we propose in this article a macroscopic evolution study of the pavement surface and structural condition by comparing the inspection results carried out between 2008 and 2016 with the one we carried out in 2018, on a 50 Km length starting from the kilometer point KP 0 + 080 to the KP 0 + 130 belonging to the Moroccan National road number 06, linking the city of Khemissat to Meknes. This operation begins with a section subdivision into 1 km sections, the analysis and abstraction of the Road Data Base (RDB), the representation in the form of a deterioration matrix subdivided into four levels: A, B, C and D, with the aim of quantifying and classifying the deteriorations, providing a picture of the paved surface network condition, identifying the equi-quality areas classified according to the deterioration levels, linear interpolation of the data, and a probabilistic projection of possible future deteriorations.