Aomori Bay Bridge
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cable-stayed bridge A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which wire rope, cables support the bridge deck. A distinctive feature are the cables or wikt:stay#Etymology 3, stays, which run directly from the tower to the deck, norm ...
in
Aomori , officially Aomori City (, ), is the capital Cities of Japan, city of Aomori Prefecture, in the Tōhoku region of Japan. , the city had an estimated population of 264,945 in 136,781 households, and a population density of 321 people per squa ...
,
Aomori Prefecture is a Prefectures of Japan, prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori (city), Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is border ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. It was constructed in order to alleviate cargo ship traffic. It is a very notable part of Aomori's skyline.


Details

The Aomori Bay Bridge is the longest bridge in the city of Aomori at 1219 meters. It's the second longest bridge in Aomori Prefecture after the 1323.7 meter
Hachinohe is a city located in Aomori Prefecture, Japan. , the city had an estimated population of 213,453 in 110,121 households, and a population density of . As of October 2020, Hachinohe is Aomori Prefecture's second largest city by population. The c ...
Ōhashi Bridge. Previously the longest bridge in Aomori City was the 993.9 meter
Aomori West Bypass The Aomori West Bypass (青森西バイパス Aomori Nishi Bypass) is a major highway located entirely in the city of Aomori, Aomori, Aomori in northern Japan. The highway main function is to link the western part of the city to its center. Signed ...
overpass, it's now the third longest bridge in Aomori Prefecture. Emphasis was placed on the aesthetics of the bridge, causing the total cost of construction to come to approximately 27 billion
yen The is the official currency of Japan. It is the third-most traded currency in the foreign exchange market, after the United States dollar and the euro. It is also widely used as a third reserve currency after the US dollar and the euro. T ...
(¥) in comparison to only ¥8.9 billion for the longer Hachinohe Ōhashi Bridge. An example of the emphasis on the bridge's appearance is the emblazoning of the letter "A", for "Aomori", at various places such as the base of the bridge and in the shape of the suspension cables. The use of the letter "A" continues on from the nearby Aomori Prefecture Sightseeing Products Mansion, or ASPAM Building, which is built in the shape of a triangle so that it would look like the initial "A". The bridge's main towers are made from high strength concrete. In response to the bridge's long standing problems with ice in the winter months, a plan was made to lay pipes circulating sea water under the road surface to melt the ice. However, due to problems related to the cost and construction time, only one section was able to be completed. As yet there are no indications of when the system will be implemented over the remainder of the bridge as originally planned. 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 on the bridge. * 1992 – July – Tentatively, two lanes are opened for traffic. The project receives the Doboku Gakkai Tanaka Award presented by the
Japan Society of Civil Engineers is a professional scientific nonprofit organization of the civil engineering field of Japan. It was established as an incorporated association in 1914 and its offices are located in Yotsuya, Shinjuku, Tokyo Tokyo, officially the Tokyo M ...
for outstanding bridge construction projects. * 1994 – July – All four lanes are opened for traffic. * 2002 – Projects to increase earthquake resistance and to install a
de-icing De-icing is the process of removing snow, ice or frost from a surface. Anti-icing is the application of chemicals that not only de-ice but also remain on a surface and continue to delay the reformation of ice for a certain period of time, or pr ...
system 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 is a railway station in the city of Aomori in Aomori Prefecture, Japan. The station has been operating since September 1891, though the most recent station building, which consists of three island platforms connected to the station building by a ...
* A-Factory * Seikan Connector Ferry Boat Memorial Ship “Hakkōda-maru” *
Nebuta Museum Wa Rasse The is a city-owned museum near Aomori Station in the city of Aomori in northern Japan. It displays a revolving exhibit of four Nebuta floats from the most recent Aomori Nebuta Matsuri summer festival, alongside media related to the festival. ...
*
Aomori Prefecture Tourist Center The is a skyscraper located in Aomori, Aomori Prefecture, Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and ...
“Asupamu”


References


See also

{{Commons category *
Yokohama Bay Bridge The is an cable stayed bridge in Yokohama, Japan. Opened September 27, 1989, it crosses Tokyo Bay with a span of 460 metres (1,510 feet). The toll is ¥600. The bridge is part of the Bayshore Route of the Shuto Expressway The is a net ...
, the inspiration for the name of the Aomori Bay Bridge * Leonard P. Zakim Bunker Hill Memorial Bridge, a bridge in Boston, Massachusetts, USA very similar in appearance to the Aomori Bay Bridge. Cable-stayed bridges in Japan Bridges completed in 1994 Tourist attractions in Aomori Prefecture Bridges in Aomori Prefecture Roads in Aomori Prefecture Transport in Aomori (city) 1994 establishments in Japan Buildings and structures in Aomori (city)