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Senqu Bridge Launch Strengthens South Africa–Lesotho Ties
By Echos News Editorial Team
Published: April 25, 2026
Lesotho – The inauguration of the Senqu Bridge, a R2.4 billion engineering marvel, marks a new chapter in South Africa–Lesotho cooperation. President Cyril Ramaphosa joined King Letsie III and Prime Minister Sam Matekane in Mokhotlong District to unveil the 825-metre-long bridge, which forms part of Phase II of the Lesotho Highlands Water Project (LHWP).
Engineering Excellence: Africa’s First Extradosed Bridge
The Senqu Bridge is the first extradosed bridge in Lesotho and one of the largest in Africa. Rising 90 metres above the Senqu River, it combines cable-stayed and girder technologies to achieve durability and elegance. Built by the WRES Joint Venture (Webuild, Raubex, Enza Construction, Sigma Construction), the bridge was designed by Zutari and Leporogo Specialist Engineers, with advanced monitoring systems to ensure long-term safety.
Key Features
- Length: 825 metres
- Height: 90 metres above the Senqu River
- Cost: R2.4 billion
- Workforce: 1,200 workers, majority Basotho nationals
- Employment impact: 250,000 person-days
Lesotho Highlands Water Project: A Regional Lifeline
The LHWP, established by treaty in 1986, is South Africa’s largest investment outside its borders. Phase II includes the Polihali Dam and a 38-km transfer tunnel linking Polihali to Katse Reservoir. Once complete, water transfer capacity will increase from 780 million m³ to 1.27 billion m³ annually, securing Gauteng’s water supply while generating hydropower for Lesotho.
Economic and Social Benefits
The Senqu Bridge is more than infrastructure—it is a catalyst for economic growth. Local enterprises received nearly 30% of project expenditure, while training programs empowered young professionals. The bridge ensures connectivity for Mokhotlong communities once the Polihali Reservoir fills, preserving access to schools, clinics, and markets.
Diplomatic Significance
President Ramaphosa emphasized that the bridge symbolizes shared prosperity and mutual resilience. King Letsie III hailed it as a testament to African ingenuity, while Prime Minister Matekane highlighted its role in strengthening bilateral ties. The launch underscores South Africa’s leadership in regional development and Lesotho’s growing infrastructure capacity.
Challenges and Sustainability
While the bridge is a triumph, challenges remain. Lesotho’s rugged terrain complicates logistics, and long-term sustainability requires continued investment in maintenance. Environmental monitoring will be critical to balance development with ecological preservation.
Regional Integration and Future Outlook
The Senqu Bridge sets a precedent for regional cooperation. Analysts predict that similar projects across SADC could foster collective resource management. For Lesotho, the bridge is a gateway to modernization; for South Africa, it is a safeguard for water security and industrial growth.
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