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The Federal Highway Network of Germany represents considerable fixed assets. Construction and maintenance activities not only require a high budget, but also influence the traffic infrastructure and, thus, the economy and society as a whole. The present safety of the network has to be ensured under consideration of environmental aspects. At the same time the network owner has to make sure that the civil works are carried out in the most efficient way. Considering the fact that financial resources are restricted, the costs have to be spent in a way to obtain the greatest possible benefit. This task is supported by the application of a comprehensive Asset Management, which is subdivided into operational and controlling tasks respectively. The paper describes the current management procedures.
The Federal Ministry of Transport, Building and Housing is aiming for a comprehensive Management System taking into account state-specific and federal requirements as well as existing regulations in the frame of maintenance planning. The system is subdivided into three processes, each comprising special tools for valuation, analysing and planning. Some of the sub-modules have already been realised, eg the database at state level, the inspection procedure in combination with the procedures of damage and condition assessment and the estimation of future maintenance costs at federal level. Other sub-modules are currently being prepared, eg tools for evaluation and selection of measures. However, a large portion of the essential issues are still in the planning phase, eg program creation by taking restrictions into account. The realisation of the complete Management System will be finished by the year 2005.
Germany's road infrastructure grew over centuries to become the arteries and lifelines of our society. The present safety of the infrastructure has to be ensured under consideration of environmental aspects. At the same time the owner has to make sure that the maintenance activities are carried out in the most efficient way. Considering the fact that financial resources are restricted, maintenance costs have to be spent in a way to obtain the greatest possible benefit. In the case of bridges, which are one of the most important parts of the road infrastructure in Germany, this task is supported by the application of a bridge management system (BMS). The existing German BMS contains assessment and optimization procedures on object and network level and is the basis for advancements to meet future demands. Developments concern life cycle and quality-oriented, holistically optimized procedures. Reasonable infrastructure management will contribute to meeting efficiency and sustainability objectives and to achieving interoperability. Here holistic network infrastructure management methods are required. There is a strong need for management solutions during the whole service life of a structure. The definition of criteria for evaluation of the relevance of failure mechanisms, including acceptance thresholds, requires the availability of relevant data for management procedure. Tools for innovative investigation methods and an effective data management will help in meeting the requirements. Relevant fields of research are improved maintenance strategies to meet future demands concerning heavy goods traffic, application and further development of nondestructive testing methods for efficient and sustainable management structures, and the improvement of analytic management tools to meet future demands.