is a

truss A truss is an assembly of ''members'' such as beams, connected by ''nodes'', that creates a rigid structure. In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assembla ...

cantilever bridge A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beam (structure), beams; however, large cantilever ...

across

Tokyo Bay is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. The Tokyo Bay region is both the most populous ...

in Kōtō, Tokyo, Japan. It opened on 12 February 2012 with an estimated total construction cost of for the Stage II section of highway including the bridge.Official "flyer" shows Stage II including Tokyo Gate Bridge, with a budget as of November 2009 it is similar to those as Forth Bridge in UK and Quebec Bridge in Canada and Queensboro Bridge in New York City.

History

Part of a new four-lane highway ringing Tokyo, construction began in 2002 and was scheduled for completion in 2011, but the opening to traffic was delayed until 2012. With the provisional name of the public was asked for suggestions. From the 12,223 received, "Tokyo Gate Bridge" was chosen and officially announced on 15 November 2010.

Design

The design fulfils the requirement to be high enough to allow large ships to pass underneath, but low enough not to interfere with air traffic to the nearby Haneda Airport. It is a double cantilever bridge, which means that the truss sections from either side can be completed in balance, and then joined by the addition of the relatively short central span.Official "flyer" updated with the top photo showing the central span being added. At the bottom is an illustration of the constraints from air and sea. The resemblance of the bridge to two monsters facing off has given it the nickname of

Gallery

File:Tokyo-ko Rinkai Bridge construction 1005161.jpg, Tokyo Gate Bridge under construction (May 2010) File:Tokyo Gate Bridge -04.jpg, The bridge as seen from the roadway File:Tokyo Gate Bridge-1.jpg, The main span of the bridge File:Tokyo Gate Bridge 7.JPG, Elevator system for sightseeing File:Umeko (ship, 1999) 001.jpg, Tokyo port seen from the bridge

Others

Visitors can take an elevator to the sidewalk on this bridge and walk on the sidewalk from

Wakasu also ''Wakasu Island'', is an island located in Koto, Tokyo. It is located south of Shin-Kiba and is connected to a new unnamed island to the south by the Tokyo Gate Bridge. The place was known connected with the murder of Junko Furuta, a hi ...

Central Breakwater The is a breakwater and artificial island located in Tokyo Bay, adjacent to the Tokyo Gate Bridge. History The Central Breakwater was first constructed in 1973 and has been used as a site for waste disposal from Tokyo since then, forming two a ...

. But, you can only take an elevator to the sidewalk and the ground from

Gate, because Central Breakwater Gate is closed, so you cannot take an elevator to sidewalk and ground from

. If you want to only see the bridge, you go t
Wakasu Seaside Park
and

Access

You can use Wakasu Seaside Park Bus stop which ''木31 -

Shin-Kiba Station is a railway station in Kōtō, Tokyo, Japan, operated jointly by Tokyo Metro, East Japan Railway Company (JR East), and Tokyo Waterfront Area Rapid Transit (TWR). Lines Shin-Kiba Station is served by the following lines: Station layout Each ...

''（ Toei Bus） passes through. You can also use Central Breakwater Bus stop which ''波01 -

Tokyo Teleport Station is an underground railway station on the Rinkai Line in Kōtō, Tokyo, Japan, operated by Tokyo Waterfront Area Rapid Transit (TWR). Lines Tokyo Teleport Station is served by the Rinkai Line from to . The station is situated between and ...

''（ Toei Bus）passes through. ※From Central Breakwater gate you cannot walk on the bridge.

References

External links

Official Tokyo Metropolitan Government page about the bridge
* * * * * {{youTube , gabcMUX2e1o, 東京ゲートブリッジ下部トラス桁架設工事記録 (Erection of lower truss girder for Tokyo Gate Bridge) Truss bridges Cantilever bridges Bridges in Japan Bridges completed in 2012 Buildings and structures in Koto, Tokyo