The Bridge Consists Of One Girder Beam Supported On Each Side By An End Truck. The Trolley And Hoist Are Underhung—Meaning They Run On The Bottom Flange Of The Single Girder. God Crane’s Single Girder Cranes Are Typically Less Expensive Due To Reduction In Freight Expenses, Faster Installation, Simpler Hoist And Trolley Design, Lighter Runway Beams