Towaliga, Georgia was located approximately 6 miles SSE from Locust Grove on I-75. I could not find any mention of casualties, other than Confederates destroying the bridge.

See OR Atlas, Plate 70-1.

November 17, 1864. Affair at Towaliga Bridge, GA as Sherman takes four different routes to the sea in an attempt to confuse the Confederates

- Sherman’s troops headed east and south toward the Georgia coast, taking four routes to confuse the Confederates. However, there was not many Confederates in the way to confuse. Richmond, however, went a bit nuts over the reported movements.

- A small affair did occur at Towaliga Bridge, Georgia. (see below)

On Nov. 17, 1864, Kilpatrick’s cavalry division [US], which was covering the right flank of Gen. Sherman’s army on its March to the Sea, moved from Bear Creek Station (Hampton), 31 miles northwest, down the north bank of Towaliga River to threaten Griffin and Forsyth. This threat caused the Towaliga bridges to be burned by Wheeler’s cavalry [CSA] to protect those towns and the large Confederate hospital centers there. A skirmish at this bridge marked the most southerly point west of Ocmulgee River reached by the Union forces during this campaign.
http://6atxfootball.vbulletin.net/forum/off-topic/235-150-years-ago-today/page137

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Partisan guerrillas created an affair in central Georgia at the Towaliga Bridge, over the river of the same name-a 52 mile long tributary of the Ocmulgee River-as Major General William T. Sherman, USA, takes four different routes to the sea in an attempt to confuse the Confederates.
http://www.secrant.com/rant/off-topic/150-years-ago-this-day/44438290/page-29/

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Numbers 148. Report of Colonel Oliver L. Baldwin, Fifth Kentucky Cavalry. HEADQUARTERS FIFTH Kentucky CAVALRY, Camp near King's Bridge, Ga., December 17, 1864.

SIR: In compliance with circular of this date from brigade headquarters, I have the honor to submit the following report of the operations of my regiment from the 14th of November to present date: . . . .

November 17, moved out at 8 a. m. and proceeded with the column three miles, when I was met by Captain Beggs, acting assistant adjutant-General of the brigade, who gave me orders to move on a road diverging to the right to attack Lewis' brigade, then supposed to be encamped on the Towaliga River. The order was obeyed, and the result was that I charged my command two miles and a half after a force of not more than twenty men. Arriving at the bridge I found it burnt and the rebel camp evacuated. Had Lewis' brigade been at that bridge or in their former camp, with four pieces of artillery, as stated, and offered ordinary resistance, I have no hesitancy I saying there is not a regiment in the service which could have driven it from its position, and a charge such as I was ordered to make could have only resulted I a useless loss of life. . . .

O. L. BALDWIN,
Colonel, Commanding Fifth Kentucky Cavalry.
OR V44, p. 382

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HEADQUARTERS DEPARTMENT AND ARMY OF THE TENNESSEE,

Gordon, Ga., November 23, 1864. . . .

November 17, 1864, moved to Jackson and its vicinity in three columns, encamping, the right near Indian Springs and the left at Hendricks' Mill. General Kilpatrick moved to Towaliga Creek. Some cavalry of the enemy crossed the creek, burning the bridges. . . .

O. O. HOWARD,
Major-General.

OR V44, p. 66