Olin's Bridge, or Olin Bridge, or Olin-Dewey Road Bridge is a covered bridge that carries Dewey Road over the Ashtabula River in Plymouth Township, Ohio. Olin is the only bridge named for a family. Olin's have owned property next to the bridge since it was built in 1873. The 115 ft. Town lattice structure was renovated in 1985 and is it is located approximately 3.6 mi (5.7 km) east of Ashtabula.