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AlanRail posted:

Railway bridges, although in my opinion as former structural engineer who designed buildings, are OVER designed.

However, when I see a bridge surviving these hydrodynamic stresses and still allowing an engine to back-up without a failure, I may need to rethink that opinion.

There wasn't any structure left where the engine was. I guess it was the pier that was about 20 feet away that was holding the rail. The rail had bent. Wouldn't that mean that there was a gap somewhere down the line? It's amazing the ties were hanging onto the rail. They must have had some pretty good tie plates and spikes on that section.

George

George S posted:

There wasn't any structure left where the engine was. I guess it was the pier that was about 20 feet away that was holding the rail. The rail had bent. Wouldn't that mean that there was a gap somewhere down the line? It's amazing the ties were hanging onto the rail. They must have had some pretty good tie plates and spikes on that section.

George

Google "railroad washouts."  You'll see plenty of ties still attached to rails.  If the spikes would pull out easily, they wouldn't be able to support the rails under a train in normal circumstances.

Rusty

I'm pretty sure those engines are being pulled (by engines coupled to the other end of the train). The lead engine looks to be just about balanced with the fuel tank resting on the rails where the track is still on solid ground. There is no way two 130# rails would support that weight over that span. Maybe the space three or four ties would span. I guarantee that fuel tank is gonna' need some serious rebuilding after that locomotive sat on it. 

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