FvS wrote:
https://static.uglyhedgehog.com/upload/2019/1/9/t1-428198-spoorbrug_in_dordrecht.jpg
Here you can see a larger image , it's a vertical lift bridge for railway, it lifts up when ships need to pass...
Thanks for the info. I thought it might be something like that. Here is a photo of a similar but much older bridge in Duluth, MN shown in its up position.