Bridge Bonanza: Exploring the World's Most Expensive Bridge Constructions

14. Bay Bridge, USA

Bay Bridge Overview
Location: Oakland, California, USA - San Francisco

Founded: 1936 (West Span), 1956 (East Span), East Span replacement completed in 2013

Cost: $6.4 billion (East Span replacement); initial construction cost $77.5 million

The Bay Bridge is an engineering marvel that connects San Francisco to Oakland, California. Since its initial construction in 1936, the bridge has undergone significant changes, including the completion of a $6.4 billion East Span replacement in 2013, enhancing the original structure that was built for $77 million.

Bay Bridge Overview

With a total length of 8.4 miles, the Bay Bridge is among the world's longest bridges and serves as a crucial transit hub for the Bay Area. Its stunning views of the San Francisco skyline attract both travelers and locals, making it a popular destination.

Safety Features
To ensure the safety of its users in this seismically active region, the Bay Bridge has undergone significant seismic retrofitting. This enhancement reflects the commitment to maintaining structural integrity and protecting the community.

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