Reinforced concrete ribbed arch bridges are applied widely in China, especially in mountain areas of southwest China. After many years of operation, some distresses and damages occur of this kind of bridges. There are 100 bridges of this style are generally surveyed and 49 of them with typical distresses are investigated in details on site. Based on it, characteristics and rules of distresses are classified and summed up, and the reasons of them occurrence are analyzed. This process is expected to provide reference and evidence for design, construction, maintenance and strengthening of this kind of bridges, and establish a foundation for further research.