sentences:  Its south end is at a connection to the Ohio River Subdivision; the line crosses the Ohio River on the Parkersburg Bridge between Parkersburg and Belpre.The short piece of the Marietta Subdivision from Moore Junction northeast to Harmar (part of Marietta) opened in 1857 as part of the Marietta and Cincinnati Railroad.The Union Railroad, from Moore Junction south to Belpre, opened in 1860.