This paper presents a framework for life-cycle management of public infrastructure. Compared to for instance life-cycle management for industrial applications, public infrastructures offer some specific challenges. This framework aims to capture these. It is based on the different life-cycle stages and considers three decision levels: strategic decisions made by the asset owner, tactical decisions made by the asset manager and operational decision made by the service provider of the asset. In the framework both decisions on networks and systems of assets, as well as individual assets are considered and connected. The framework consists of three parts: a process scheme for life-cycle management of public infrastructure, a toolbox to quantitatively assess life-cycle decisions and a model to assess the quality of information in relation to different life-cycle decisions. Based on a set of cases the applicability of the framework is demonstrated.