The WaterBlog

Stone arch bridges in Tanzania - Innovation rooted in history

By Enabel - Belgian Development Agency Rural communities’ access to schools, hospitals, markets and jobs depends on dangerous river crossings. Safe year-round crossing on a stone arch bridge is therefore a foundation for sustainable development. Population growth and dispersion in Tanzania put a major strain on mobility infrastructure. Unfortunately, the national government struggles to cope with the rapidly increasing demand. Much needed infrastructure projects using conventional techniques, such as steel and reinforced concrete, are often very expensive. The tried and tested technology of stone arch bridges allows for a decentralized approach embedded within local government structures. This cost-effective method with high local ownership guarantees a long-lasting upgrade of rural roads.   Local material, local labour We do not have a secure way to enter or leave our village, because of the big Kaseke River. The river complicates our lives; especially when there is a lot of rainfall people cannot cross at all. With the bridge, there is finally a secure… Continued

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