Showa Bridge, Road bridge in Sakaki, Japan
The Showa Bridge stretches 466 meters across the Chikuma River with nine reinforced concrete rose girders and three steel cantilever spans.
The bridge replaced a wooden structure from 1928 and was constructed in 1937 by architect Take Nakajima using reinforced concrete technology.
The Japan Society of Civil Engineers designated the Showa Bridge as a civil engineering heritage site for its structural design and historical value.
The bridge underwent extensive renovations between November 2020 and March 2021, requiring complete vehicle restrictions during the construction period.
The structure combines reinforced concrete rose girder design with beam construction, featuring a narrow roadway width of 4.50 meters.
Location: Sakaki
Inception: 1937
GPS coordinates: 36.46111,138.17611
Latest update: March 7, 2025 23:06
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