You won't have any
draft problems if you stay in the channel--maintained
depth is 9'. As far as bridges, all fixed bridges provided a minimum of 52' at ordinary high
water. There are a few railroad bridges to open, should
monitor 13. There are 22 highway bridges between the Tennessee River and Demopolis, all fixed. There are 9 bridges from Demopolis to Mobile, 6 fixed and 3 to open. The lowest aerial crossing on the Tombigbee north of Demopolis is at mile 330.6, 71' vertical clearance and south of Demopolis is at mile 114.9, a telephone cable with 53' clearance. The locks all appear to be open and running with no scheduled
maintenance time. You can call the Army Corp of Engineers for specific info on the Tombigbee locks at 662-327-2142.
For other rivers you might find this link really helpful for lock and river information:
Navigation Information Connection