Based on the type of concrete structure, different type of behavior may be expected. However different parameters such as material failure, increase of loading, temperature or durability issues may endanger the safety of the structure. Regular inspection of concrete structures is a must and it is desirable that this is more than a visual inspection. Instrumentation is a reliable and available way to know the behavior of the structure. A well-designed instrumentation system with good interpretation of the results ( by using related finite element analyses) will give a very good information regarding concrete structure behavior and will help the client to decide about required remedial measures.