Ohio State Route 7B is a short state highway located in the southeastern part of Ohio. It serves as a spur route that connects U.S. Route 7 to the city of Marietta, providing access to local roads and neighborhoods. The route is approximately 3.5 miles long and is primarily used for local traffic. The highway runs through scenic areas along the Ohio River, offering views of the surrounding landscape. It is an important route for residents and visitors, facilitating travel to various amenities and attractions in Marietta and the surrounding region.