Third Mainland Bridge used to be the longest bridge in Africa until 1996 when the 6th October Bridge was built in Cairo.
Here are the list:
6th October Bridge. [orangesmile]
1. 6th October Bridge
The 6th October Bridge is located in Cairo, Egypt. It is a highway that is 20.5km long. The bridge is built across the Nile River and was completed in 1996.
Third Mainland Bridge. [Wikipedia]
2. Third Mainland Bridge
The Third Mainland Bridge, also known as the Ibrahim Babangida Bridge, is a 10.5 km bridge in Lagos, Nigeria. It was opened in 1990 and is one of the three bridges connecting the Lagos Island to the Lagos mainland.
Suez Canal Bridge. [Wikimedia]
3. Suez Canal Bridge
The Suez Canal Bridge is located El Qantara in Egypt, spanning over a distance of 3.9 km and connecting Africa and Eurasia. It is also called Shohada 25 January Bridge.
Mozambique Island Bridge. [Opera news]
4. Mozambique Island Bridge
Mozambique Island Bridge is located on the Island of Mozambique. It is a 3.8 km bridge crossing over the Indian Ocean and connecting the Island of Mozambique to the mainland. It was completed in 1969.
Dona Ana Bridge. [wikimedia]
5. Dona Ana Bridge
Dona Ana Bridge is a rail bridge, built across the Zambezi River. It spans a distance of 3.67 km and connects the towns of Mutarara and Vila de Sena. It was completed in 1934.