Acres Hill Footbridge

Published: 15/03/2023 11:12

Acres Hill footbridge, built circa 1900, crosses the Manchester and Cleethorpes line (MAC3) in Sheffield, and had been identified as a high priority scheme following the review of LNE South structures in the RCDP framework.

The bridge comprises a continuous 18m 7-span footbridge, consisting of a pair of plated riveted lattice truss girders restrained by U-frames and outriggers. This scheme was to surface blast, strengthen, repair, replace, and paint the bridge to Network Rail standards.

Richter supported Story Contracting with temporary works design for the removal of the longest span for offsite refurbishment and scaffold encapsulation to enable the refurbishment works.

The longest span (railway span) was in poor condition and required repairs. The project required this span to be lifted out by crane for offsite refurbishment.

Richter derived the load of the railway span and assessed the bridge girders to ensure that they had sufficient capacity for the lift out operation. Bespoke jacking points were designed to assist in the removal and reinstatement of the bridge span. The crane lift out operations required ground bearing assessment on the crane outriggers which was carried out by the Richter team.

Richter and Story Contracting have worked collaboratively on this project to ensure the bridge can carry on servicing the public in safely crossing the MAC3 line. 

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