Horse trailers creeping down River Road. Pickup trucks rolling up Highway 108 with bales of hay stacked on their flatbeds. City merchants painting cowboy hats on display windows. These are the signs of rodeo week in Oakdale. The 66th. The Saddle Fire in Butte County was 50 percent contained as of Wednesday morning. The fires are burning Wednesday on both sides of the west branch of the Feather River, southeast…