This project aims at the development of an integrated structural optimization approach for footbridges that simultaneously considers static and dynamic loads. In current practice, footbridges are generally designed based on static loading considerations only. Since these static loads are relatively low, they can be made very slender, which makes them susceptible to human-induced vibrations. For this reason, a verification of the vibration levels is needed once the static design has been elaborated. When the levels are too high, the problem is mostly solved by adding tuned mass dampers (TMDs). Although the original design of the structure is largely preserved, some modifications are needed to accommodate these units, while their tuning also requires a testing of the footbridge after it has been built. The primary objective of this project is to develop an integrated design optimization methodology that incorporates static as well as dynamic design criteria. For small or moderate spans, such a procedure should allow determining a design which simultaneously satisfies the static and dynamic design requirements, avoiding ad hoc modifications after the static design. In order to achieve this goal, we will build on recent developments in structural optimization, remediate shortcomings in current analysis procedures for human-induced vibrations, and take into account the recent trend where composite materials are become increasingly popular for footbridge design.