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.
Bridge # 35-04-19 Harpersfield Bridge is a covered bridge spanning the Grand River in Harpersfield Township, Ashtabula County, Ohio, United States. This double-span Howe truss bridge, one of currently 16 drivable covered bridges in the county, is the third longest covered bridge in Ohio at 228 feet. A flood in 1913 washed away the land at the north end of the bridge, and the steel span was subsequently attached. Length: 228 feet; Overhead clearance: 12 feet 9 inches