Head Office, UK & Export Sales Compass Works, 410 Brightside Lane, Sheffield S9 2SP Tel: +44 (0) 114 2611126 • Fax: +44 (0) 114 2611165 • Email: enquiry@ekspan.co.uk Website: www.ekspan.com CASE STUDY Background Information The Crum Creek Viaduct, originally a pre-Civil War era five-span timber arch truss rail bridge on tall masonry piers, was re-built in 1895 as a steel viaduct with the line electrified in the late 1920’s by the Pennsylvania Railroad. The Viaduct carries the Media/Elwyn commuter rail line and is located between Swathmore and Wallingford stations, Delaware County. This rail structure, spanning an approximate length of 915ft and standing 90ft high, was acquired by SEPTA in 1983. At this time, emergency repair works on the structure had been undertaken to resolve t

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