The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List.
AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers
At 0815, on the 16 of April, you depart the Exxon Refinery Docks (mile 232 AHP) bound for the fleeting area at Sycamore Chute Light (740.3 AHP). The horizontal clearance of the center span on the Baton Rouge RR and Highway 190 Bridge is __________.