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It seems that it was determined that the Amarube iron bridge will take down a curtain to the history of about 90 year at last by it. The last brave figure in the Amarube iron bridge is stopped here. As for groundbreaking, completion was completed for the Amarube iron bridge in three Meiji 45 years (1912) in December, Meiji 42 (1909) by the power of the time for about two years per month, and a total of about 250,000 laborers. 310.59m in full length and the height from the ground of a bridge pier of the Amarube iron bridge with the history which sees the 92nd year by the end of this year are no less than 41.45m, and the height is equal to the building of 15 stories. Moreover, the bridge of length like this is supported by only 11 bridge piers. Also in the present which is called iron bridge of the East 1 and when it is existing, it is the greatest trestle type iron bridge in Japan at the time of construction. In construction that time, San'in Line is scheduled to consider this Amarube iron bridge as the greatest difficulty construction in San'in Line, and to carry out whole-line opening of traffic at last with opening of traffic of an iron bridge. San'in Line run along with the rias of Tajima is low along the river through which it flows between a goddess of eloquence, music, and wisdom mountain and rough Kamiyama between the Yoroi station and the Amarube station,Moreover, it seems that this section was in the situation where an iron bridge surely must be built when letting a train pass in the Amarube area called solitary island of the land which north was surrounded by the Sea of Japan and surrounded by the cliff and the mountain in Mikata. However, the accident from which such an Amarube iron bridge also became the primary cause of the substitute [ construct ] happens. It is from the tatami-room train car "Miyabi" fall accident in which it occurred on December 28, 1986 (Showa 61). The operation standard is tightened up after this, and in the Amarube iron bridge, operation of a train becomes impossible if 20m of wind velocity is exceeded. It seems that however, the Tajima seashore near Amarube is the geographical feature from which a monsoon and a strong wind become a well, the annual average of the number of the train to cancel is carried out, and it becomes or more in 200 per year depending on about 90 and many years. Moreover, although it is not canceled, it will be forced inconvenience very much also for the railroad company where the train used as the delay for 30 minutes or more may also exceed 300 and around which that is right and it operates also for local residents now. In order that the direct cause which constructs the Amarube iron bridge again may reduce this suspension and may secure regular operation, maintaining the superannuated iron bridge and not going out and those reasons will overlap, and the No.1 trestle type iron bridge of Japan will disappear at last.
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![The reason of a substitute [ construct ]](10s.jpg)
