Afara Third Mainland tabi Third Mainland Bridge ni o gunjulo ninu awon afara meta to sejapo Erekusu Eko, Lagos, Nigeria mo oluile, awon meji to ku ni afara Eko ati Carter.. 
O je gomina pàtàkì Witann ni odun 1820, ti won si yan sipo kansi laarin odun 1827 si 1828.org ati òṣèlú-G ni wọ́n bí sí ṣaláUS WWEN ní ọjọ́ kọkànlá Oṣù kẹfà Ọdún 17 sí ìdílé José Antônio Do rẹ̀,go, àti Maria dé LA la ṣù.. 