Aomori Bay Bridge

The Aomori Bay Bridge (青森ベイブリッジ Aomori Bei Buridji) is a cable-stayed bridge in Aomori. It was constructed in order to alleviate cargo ship traffic. It is a famous part of Aomori City's scenery.

Details

The Aomori Bay Bridge is the longest in Aomori City at 1219 meters. It's the second longest bridge in Aomori Prefecture after the 1323.7 meter Hachinoe Oohashi Bridge. Previously the longest bridge in Aomori City was the 993.9 meter Aomori-nishi Bypass overpass which is currently the third longest bridge in Aomori prefecture.

Extreme importance was placed on the outer appearance of the bridge and the total construction costs were approximately 27 billion yen (Hachinoe Oohashi Bridge's total construction cost was about 8.9 billion yen.) An example of the emphasis on the bridge's appearance is the emblazoning of an "A", the initial letter of "Aomori," at various places such as the base of the bridge. The nearby Aomori Prefecture Tourism Center “Asupamu” was built in a triangle shape so that it would look like the initial "A" of "Aomori." The bridge's main tower is made with high strength concrete.

The bridge eventually began to have issues with the road becoming covered in ice for long periods. To deal with this plans were made to install a sea-water pipe system into the road surface that would help melt the ice. However, due to budgetary and time restraints the pipe system was installed in only one section of the bridge and it is unknown at this time whether the original planned system will be expanded to the entire bridge. Even so, since the installation of the system the number of traffic accidents has drastically decreased.

Development

  • 1982 – Project created (Project name: Aomori Port Improvement Project, planned to bridge a 1993 meter section)
  • 1985 – Construction begins
  • 1992 – July – Tentatively, two lanes are opened for traffic. The project receives the Doboku Gakkai Tanaka award for outstanding bridge construction projects.
  • 1994 – July – All four lanes are opened for traffic.
  • 2002 – Projects to increase earthquake resistance and to prevent icing begin. (Project name: Aomori Port Area Bridges (Earthquake Proofing), total budget of approximately 2.5 million yen.)
  • 2004 – December - De-icing systems begin being used on 442 meters of the downhill part of the Okidate side (West side) of the bridge.
  • 2006 – February – De-icing systems begin being used on 138 meters near the intersection of the Hon-machi side (East side). 253 meters of de-icing systems are planned to begin being used from the Hon-machi side to the Okidate side during the winter of 2006.

Major Connecting Roads

  • Aomori Prefectural Route 18, Aomori Port Route (commonly referred to as Yanagi-machi Avenue)
  • Port Road Route 1 (Western Road)
  • Port Road Route 3 (Eastern Road)

Surrounding Area

  • Aomori Station
  • Seikan Connector Ferry Boat Memorial Ship “Hakkouda-maru”
  • Aomori Prefectural Tourism Center “Asupamu”

See also

  • Yokohama Bay Bridge – The inspiration for the name of the Aomori Bay Bridge.
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たま
16 March 2020
長さは1219mあります。橋脚は青森にちなみアルファベットのAのような形をしています。
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