Photo: Elias Funez A handful of local fires have kept firefighters busy over the past 48 hours, including a fully involved structure fire off Brady Road, a vegetation fire at Cherry Creek Road and Highway 49, and a vehicle fire at Purdon Crossing that threatened the historic 1889 bridge. CHALK BLUFF FIRE Ophir Hill Fire responded around 8:15 p.m. Thursday to a residential structure fire along the 13000 block of Brady Road in the Chalk Bluff area of Nevada County. Upon arrival the two-story house was fully involved with minimal extension into the vegetation, authorities reported. Grass Valley ...