Hillis Bridge, also known as the Baker's Camp Covered Bridge, was constructed in 1901 by J.J. Daniels over Big Walnut Creek. It is a single-span bridge measuring 128 feet long, 14 feet wide, and 13 feet high. A short distance to the north is Rolling Stone Bridge, and to the east in the Big Walnut Conservation Area is a Great Blue Heron Rookery and Roosting Area.