increasing demand for engineers specialized in repairing and rebuilding bridge structures has led to the need for further training. The training will cover assembly and manufacturing processes for steel, steel composite, and prestressed concrete superstructures, with a focus on the challenges of building in existing structures. The construction methods used for bridge structures play a crucial role in their cost-effectiveness and future maintenance. The construction period is also important, particularly when building in existing structures, as it can impact the design of the replacement structure. Practical examples will be used to explain the design criteria of the construction methods. The training will explore the various influences on bridge construction methods.