We took a sight-seeing cruise on the the Mark Twain Mississippi Riverboat. Listened to a commentary on river history, legends and sights and just watching the Mighty River rolling along.
Part of the bridge from Hannibal, MO that spans the Mississippi River and goes into Illinois.
Notice the depth markings on the bridge support showing water traffic how much clearance they have. At this particular time the highest clearance mark is 60' and our boat captain said we only needed 35'.
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