ISQ has vast experience in the area of technical inspections of bridges and viaducts in concrete, steel and mixed or masonry. Either at the level of construction, inspection in operation, improvement or renovation, ISQ supported by a large team of skilled human resources and state of the art equipment and accredited laboratories provides a set of services able to satisfy all the client’s needs. ISQ expertise Management of construction works Routine inspections Inspections and materials’ characterisation tests Assessment of condition and state of degradation of existing works Solutions for improvement, repair or replacement of components Inspection and quality control of renovation works  On-line monitoring  Construction supervision