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Mon 15 Dec 2025 • 17:22

£5.3 Billion Double-Decker Bridges Open in Japan's Kagawa Prefecture

£5.3 Billion Double-Decker Bridges Open in Japan's Kagawa Prefecture

# 'Endless' £5.3 Billion Double-Decker Bridge That Soars Into the Sky

In May 2022, two impressive cable-stayed bridges known as Hitsuishijima Bridge and Iwakuroshima Bridge were inaugurated at the Seto Ohashi Bridge in Sakaide City, located in Kagawa Prefecture, Japan. This innovative infrastructure project, costing a staggering £5.3 billion, is remarkable not only for its financial outlay but also for its architectural excellence.

These bridges are designed to accommodate both vehicular and pedestrian traffic, effectively creating a dual-layer structure that elevates functionality while offering stunning views. As stated by the Japanese tourist board, the bridges “soar both into the sky and distance,” highlighting their impressive height and visually striking presence in the landscape.

The completion of the Hitsuishijima and Iwakuroshima Bridges marks a significant achievement in modern engineering, being part of a broader initiative to enhance connectivity across the region. This infrastructure showcases Japan's commitment to expanding its transport networks while also considering aesthetic and environmental factors. The influence of these structures extends beyond mere transportation, aiming to bolster the local economy by attracting tourists and fostering commerce.