Tanzania has completed the $260 million John Magufuli Bridge, the longest in East Africa, spanning 3. 2 kilometers across Lake Victoria. This bridge not only connects the east and west banks of the Nile River but also serves as a vital transportation artery for the bustling city of Cairo. So, why exactly is there such a massive bridge in Egypt? Well, this immense structure was designed to increase connectivity. Tanzania is on the brink of a historic moment in its infrastructure journey. The bridge, constructed by China.