State Route 574 (SR 574) is a short state highway located around the southwest side of the Senecaville Lake in eastern Ohio. 4.36 miles (7.02 km) in length, it runs from SR 566 in Seneca Township, Noble County to SR 313 in Richland Township, Guernsey County just to the east of Senecaville. The route provides access to homes, recreational facilities, and the main dam in the vicinity of the lake.