Alternative replacement option for medium-span bridge with the Hybrid Decked Bulb Tee

Increasing the service life of bridges has become a critical requirement in modern times. To address this need, new materials and technologies are essential, for example Ultra High-Performance Concrete (UHPC). This paper introduces the Hybrid Decked Bulb Tee (HDBT) beam, an advancement in prefabricated construction that employs a combination of prestressed UHPC and non-prestressed High-Performance Concrete (HPC). By implementing a staged construction process, the HDBT beam effectively reduces beam-end cracking commonly observed in traditional prestress construction methods. To justify the structural reliability of the HDBT, this paper presents an analytical investigation based on state-of-the-art research. The results demonstrate that the HDBT beam is a feasible option for bridge rehabilitation projects, offering enhanced performance and extended service life.