Today I watched a show on the History Channel describing various failures. One segment dealt with a train derailment due to a swing bridge misalignment. What caught my attention was the real railroad bridge was hinged on one side and swung open and closed like a door. That made me wonder if such a thing has been done for model layouts rather than a swing up or down or lift out bridge opening to pass through rather than having duck under a fixed span? I don't recall seeing this idea in magazines but doesn't mean it not been done.
Original Post
