The incident took place on Janak Setu flyover at around 10 pm yesterday and the deceased has been identified as Jasram Meena, a resident of Dabri.
He worked in a government hospital.
His wife suffered injuries in the incident but was later discharged from hospital.
A horizontal beam was fixed on the flyover to prevent heavy vehicles from approaching it.
The truck hit the beam which collapsed on Meena and his wife who were on a motorcycle.
