This is a list of properties and districts in Ohio that are listed on the National Register of Historic Places. There are over 4,000 in total. Of these, 73 are National Historic Landmarks. There are listings in each of Ohio's 88 counties.
Windsor Mills Bridge, also known as Wiswell Road Bridge or Warner Hollow Road Bridge, is a covered bridge that carries Covered Bridge Lane, formerly Wiswell Road, across Phelps Creek in Windsor Township, Ashtabula County, Ohio, United States. The bridge, one of currently 17 drivable bridges in the county, is a single-span Town truss design. The bridge was built in 1867 using white pine. It sits atop cut stone abutments, one made of sandstone quarried nearby, and the other made of creek stone. The bridge was bypassed in the 1960s and closed to traffic, and Wiswell Road was rerouted west of the creek. In the 1980s, the bridge was completely closed due to safety reasons. It underwent extensive renovation from 2002 to 2004, and was then reopened to all traffic, except for trucks and buses. The bridge is listed in the National Register of Historic Places. The bridge's WGCB number is 35-04-25, and it is located approximately 5.0 mi (8.0 km) west of Orwell.
The W. H. York Round Barn, also known as Thompson Barn, is a historic round barn located on Country Road 249 (CR-249) a half mile south of Lodi, in Liberty Township, Parke County, Indiana. It was built about 1895, and is a two-level wood-frame structure on a brick foundation. The barn measures 56 feet in diameter. It has a conical roof topped by a circular cupola.
The Harra Covered Bridge is a historic wooden covered bridge in Washington County, Ohio, United States. Located in western Watertown Township, about 2 miles (3.2 km) north of the community of Watertown, the bridge spans the South Branch of Wolf Creek near the intersection of State Route 339 and Township Road 172. Among the bridge's more distinctive features are its cut stone abutments, its metal roof, and the vertical siding. Although it has been open for well over one hundred years, it remains in strong structural condition, and it served daily traffic into the late twentieth century.
The South Salem Covered Bridge is a historic covered bridge in northwestern Ross County, Ohio, United States. It was built in the 1870s and has been designated a historic site because of its well-preserved historic engineering. Since its construction, it has carried Lower Twin Road over Buckskin Creek in Buckskin Township. The bridge is a wooden Smith truss bridge, built in 1873 according to a design patented by Ohioan Robert Smith in the late 1860s. Eight wooden panels wide, it rests on stone abutments and is covered with a metal roof.
The Hildreth Covered Bridge, also known as the "Hills Covered Bridge" or "Lafaber's Mill Bridge," is a historic covered bridge in Washington County, Ohio, United States. Located off State Route 26 in Newport Township, about 5 miles (8.0 km) east of the city of Marietta, the bridge historically carried Hills Bridge Road over the Little Muskingum River. Construction of the Hildreth Bridge was a long process: the most significant amount of work was done on the bridge in 1878, but the entire construction process occurred between 1871 and 1881. The identity of its builder is unknown.
The Mull Covered Bridge is a historic wooden covered bridge in the northwestern portion of the U.S. state of Ohio. Built in the middle of the nineteenth century, it is located near Burgoon in Sandusky County. Although it is no longer used to facilitate transportation, the bridge has been preserved and is now a historic site.
The Church Hill Road Covered Bridge is a covered bridge in Columbiana County, Ohio. It was originally located over Middle Fork Little Beaver Creek in Elk Township. The bridge was constructed in 1870 and was relocated in 1982 behind a now closed restaurant on Ohio State Route 154 in Elkton, Ohio.
The Eldean Covered Bridge is a historic covered bridge spanning the Great Miami River in Miami County, Ohio north of Troy. Built in 1860, it is one of the nation's finest surviving examples of a Long truss, patented in 1830 by engineer Stephen H. Long. At 224 feet (68 m) in length for its two spans, it is the longest surviving example of its type. It was listed on the National Register of Historic Places in 1975, and was designated a National Historic Landmark in 2016.
The Bell Covered Bridge is a historic wooden covered bridge in rural Washington County, Ohio, United States. One of several such bridges in the region built by the same man, it remained open to traffic with the exception of periodic repairs, until it was permanently closed on September 12, 2022, and it has been named a historic site.
The Bennett Schoolhouse Road Covered Bridge, near Minford, Ohio, was built in 1867. It was listed on the National Register of Historic Places in 1978.
The Helmick Covered Bridge, near Blissfield, Ohio, was built in 1863. It was listed on the National Register of Historic Places in 1975.
The Kidwell Covered Bridge, in Dover Township, Athens County, Ohio between the nearby hamlets of Truetown and Redtown, was built in 1880. It spans Sunday Creek. It was listed on the National Register of Historic Places in 1977.
The Martinsville Road Covered Bridge, west of Martinsville, Ohio in Clark Township, Clinton County, Ohio, was built in 1871. It was listed on the National Register of Historic Places in 1974.
The Palos Covered Bridge, in Athens County, Ohio near Glouster, was listed on the National Register of Historic Places in 1977. It is a multiple kingpost truss covered bridge.
The Parker Covered Bridge, near Upper Sandusky, Ohio, was built in 1873 and was listed on the National Register of Historic Places in 1975.
The Rinard Covered Bridge, near Marietta, Ohio, was built in 1876. It was listed on the National Register of Historic Places in 1976.
The Salt Creek Covered Bridge, near Norwich in Perry Township, Muskingum County, Ohio, was built in 1876. It was listed on the National Register of Historic Places in 1974.
The Swartz Covered Bridge, near Wyandot, Ohio, was built in 1880. It was listed on the National Register of Historic Places in 1976.
