Monday, December 30, 2024

1989 Yokohama Bay and 1994 Tsurumi Tsubasa Bridges near Tokyo, Japan

Yokohama Bay: (Satellite, 840 photos)
Tsurumi Tsubasa: (Satellite, 289 photos)

Highway Engineering Discoveries posted
Yokohama Bay Bridge
Cable-stayed bridge in Japan ‧

hutoko_Yokohamma_overview
"The Yokohama Bay Bridge is a two-layered cable-stayed bridge that crosses the Yokohama international shipping route and is a part of the Bay Shore Route connecting Honmoku futo and Daikoku futo. The upper level is the Metropolitan Expressway and the lower level is National Route 357, and the bridge also functions as an important transportation road supporting port logistics."
Length: 860m (1/2 mile)
Center Span: 460m (0.26 mile)
Main Tower Height: 175m (475')
Inauguration: Sep 27, 1989

shutoko_Yokohama_gallery, this web page has a lot of photos

I noticed two crossings on the satellite map and the cable-stayed bridge peaking through the approach piers in the above photo, so I checked it out as well. It is the Tsurumi Tsubasa Bridge.

shutoko_Tsurumi_overview
"Tsurumi Tsubasa Bridge, which is a part of the Bay Shore Route, connects the Tsurumi channel between Daikoku Futo and Ogishima. The form of the inverted Y-shaped main tower and the central part of the road connected by cable is reminiscent of a huge bird, and as the largest cable-stayed bridge with single plane cable stays in the world, it even surpasses the Yokohama Bay Bridge in both main tower height and total length."
Length: 1020m (0.63 mile)
Center Span: 510m (0.32 mile)
Main Tower Height: 183m (600')
Inauguration: Dec 1, 1994

The intersection between the two bridges and the local roads on the port island is noteworth.
Satellite


If the sidebar content is interfering with the following construction photos, then collapse the Blog Archive in the sidebar.

Yokohama:

shutoko_Yokohama_construction

Tsurumi:

shutoko_Tsurumi_construction

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