sentences:  The lock raises the canal by , and is grade II listed because it shows few signs of having been altered since its construction.Bridge 5A carries the railway line from Crewe to Chester over the canal, and there is a large marina shortly afterwards, followed by Cholmondeston lock, which raises the level by .Benyon's Bridge, Sandholes Bridge, and Rutters Bridge are the final three accommodation bridges, before the canal arrives at Barbridge Junction, where a graceful roving bridge made of red and blue brick with an elliptical arch, carries the towpath for the main line over the branch.