Old store located next to the War Eagle Mill. War Eagle Mill is a working gristmill in Benton County, Arkansas. A mill has been located on the site as early as 1832, but was destroyed three times, and last rebuilt in 1973. The mill currently the only operating mill in Arkansas and operates as an undershot gristmill, and houses a store and the Bean Palace restaurant. The mill is home to the War Eagle mill Crafts Fair in May and October. The historic War Eagle Bridge next to the mill is a one lane steel bridge built in 1907 and is listed on the National Register of Historic Places. The bridge was restored, preserving the historic intergrety in 2010. The mill is located approximately 10 miles east of the city of Rogers in War Eagle, Arkansas