Bear Branch - Straight Street bridge to Lusk Creek (2.25+1.5 miles) (IL)
Bone dry to a trickle.
At this point Bear Branch has total drainage of 3.3 square miles, and merges with Lusk Creek with drainage at this point of ~13.7 square miles (for a combined drainage area of ~17 square miles).
If Bear Branch was boatable, Lusk will be running big!