Bridge # 35-04-16 Doyle Road, or Mullen Covered Bridge is a 94 feet long covered bridge that spans Mill Creek in Jefferson Township, Ashtabula County, Ohio. Built in 1868, the Town lattice truss structure is 90.9 feet long, with the largest span length of 79.1 feet and deck width of 18.4 feet. The vertical clearance above deck is 13.7 feet.
Bridge # 35-04-18 The longest single span Covered Bridge in Ashtabula County, this 156 ft. Howe truss with arch was built over the Grand River in 1867. The arch is 15 layers of 2x8 lumber and is encased by large beams which from the X's of the Howe truss. Believed to be the oldest of the County's covered bridges, this bridge was renovated and opened to traffic in the fall of 2003.