Lagos 3rd mainland bridge is the second longest bridge in Africa, here are the top 5

He are the top 5 longest bridges in Africa.

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 1996.2. 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 Lagos Island to the Lagos mainland.

3. Suez Canal Bridge

The Suez Canal Bridge is located in 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 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. 

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.