Top 10 Longest Bridges in Nigeria

1. Third Mainland Bridge (Lagos)

• Length: ~11.8 km (7.3 miles)
• Opened: 1990
• Significance: Longest bridge in Nigeria and West Africa until 1996; connects Lagos Island to the mainland (Yaba, Ikeja, etc.).

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2. Second Niger Bridge (Onitsha–Asaba)

• Length: ~1.6 km (plus approach roads extending over 10 km)
• Opened: 2023
• Significance: Eases congestion on the first Niger Bridge, linking Southeast (Onitsha) with South-South (Asaba).

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3. First Niger Bridge (Onitsha–Asaba)

• Length: ~1.4 km
• Opened: 1965 (originally commissioned in 1965 by Prime Minister Tafawa Balewa; reinforced later).
• Significance: Historic bridge over the River Niger; vital for East–West trade and travel.

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4. Lekki–Ikoyi Link Bridge (Lagos)

• Length: ~1.36 km
• Opened: 2013
• Significance: First cable-stayed bridge in Nigeria; iconic modern structure linking Lekki Phase 1 with Ikoyi.

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5. Eko Bridge (Lagos)

• Length: ~1.35 km
• Opened: 1975
• Significance: Connects Lagos Island to the mainland via Iddo; relieves traffic from Third Mainland Bridge.

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6. Carter Bridge (Lagos)

• Length: ~1.1 km
• Opened: Originally built in 1901 (rebuilt in 1979).
• Significance: Oldest bridge in Lagos; connects Lagos Island to mainland (Iddo).

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7. Murtala Muhammed Bridge (Lokoja)

• Length: ~1.0 km
• Opened: 1979
• Significance: Crosses the River Niger at Lokoja; key North–South road link.

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8. Ikoyi Bridge (Old Ikoyi Bridge, Lagos)

• Length: ~620 m
• Significance: Earlier bridge linking Ikoyi to Lagos Island before the modern Lekki–Ikoyi Link Bridge.

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9. Shiroro Bridge (Niger State)

• Length: ~550 m
• Significance: Connects communities near Shiroro Dam and hydroelectric power plant.

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10. Chanchangi Bridge (Taraba State)

• Length: ~400 m
• Significance: Important local bridge over the Taraba River, linking rural communities.

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✅ Summary:

• Longest in Nigeria: Third Mainland Bridge (11.8 km).
• Newest major bridge: Second Niger Bridge (2023).
• Most iconic design: Lekki–Ikoyi Link Bridge.
• Historic importance: Carter Bridge and First Niger Bridge.