The city of Hannibal will be installing all five of its floodgates starting at 8 a.m., Friday, March 15.

The city of Hannibal will be installing all five of its floodgates starting at 8 a.m., Friday, March 15.

According to John S. Hark, emergency management director, the action is being taken due to a projected crest of 21.7 feet on the river at Hannibal by the middle of next week.