The Sitra bridges are part of a busy 3.2 km causeway linking the main island of Bahrain to the island of Sitra, one of the most strategic road links in the kingdom. However, after just 30 years the structures have succumbed to the aggressive marine environment and are being replaced at cost of US$280 million, along with construction of a new causeway alongside the old one and a major new grade-separated intersection. This paper describes the design, construction and management challenges of delivering the country's biggest ever road project in a sensitive marine environment and highly congested urban area.
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