Report on the Mizuho Bridge, which has supported Yokohama's trade and U.S. military facilities

Sunday, February 13, 2022

local information

t f B! P L

 This time I would like to introduce Japan's first welded railroad bridge, the Mizuho Bridge. As usual, I made a video, so I hope you will enjoy it as well.



Mizuho Pier was originally built as a trading facility for Yokohama, and the Mizuho Bridge was built to span it. Since World War II, the U.S. military has been using Mizuho Pier, but in 2021, Mizuho Pier and the land for the JR Freight Takashima Line were returned to Japan.
Before the return, it was used for transportation to the U.S. military base in Atsugi. The black area is the freight line, the blue area is the JR to Sotetsu line, and the red area is the Sotetsu line. This is the route used to transport goods to the Atsugi base.

In addition, these ships can be seen from Cotton Harbor on the other side of the Mizuho Pier. There are no large ships, but they are still in operation.

The Mizuho Bridge is the small one on the left side of the picture below. It is a bridge for railroads, so it is smaller than the road on the right. The Mizuho Bridge was built in 1934. At that time, the welding technology for bridges had not been established yet, and most of them were truss structures. This bridge was built with welded lower girders on an experimental basis.

Here is a close-up of the actual welding process. You can see that the welding is done in the shape of a steel plate and a steel plate. Note that there is a lot of vertical and horizontal reinforcement, as if they are very conscious of strength. More than 100,000 welding rods were used, and the workmanship is quite intricate.

This is the central truss structure. The truss structure is also quite sturdy.

Here is a closer look at the truss part. You can see the surface and the crossed parts. It is likely that the trusses were made with an emphasis on strength through trial and error.

The lower part of the truss structure has diagonal reinforcement, and this area was made by welding. If you zoom in, you can see the welded marks one by one.

Now, right next to the bridge, there are two famous bars. These bars were featured in the detective drama "Abunai Deka", so you can feel the history.

After crossing the Mizuho Bridge, the line enters the Takashima Line in the photo.

The tracks coming from the bridge are still there. I think this area of the site was returned from the U.S. military and given back to the landowner, JR Freight.

This is the Takashima Line in action. This is a freight-only line.

A cargo truck carrying oil was just passing by. They often come from the Honmoku area.

Finally, there are still warehouses with a nice atmosphere like this one. Yokohama may have an image of red brick warehouses, but there are still warehouses used for trade. Personally, I like this row of warehouses.

 

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I continue to search for the real something. The content that is published on the burg is also available on Youtube. Please check it out if you like. 本物を探し続けているの!ブログだけでなくて、Youtubeにもアップしているよ!

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