sentences:  One of the major engineering feats on the line was the Milltown Viaduct, or "Nine Arches", which still stands today over the River Dodder.The 5-arched Bride's Glen viaduct spans the Loughlinstown River valley and Bride's Glen Rd.Following the Beddy Report of 1957, CIÉ decided to close all the non-profitable rural railway branch lines including the Harcourt Street line.