Scout Road Footbridge

Work undertaken

Brief Description

MVN2/139 Scout Road Footbridge is a single span footway/cycle path bridge which spans two tracks on the (MVN2) line at Scout Road Halifax, West Yorkshire approximately 1km to the east of Mytholmroyd Railway Station. It crosses the Hall Royd Jn. to Skelton Jn Railway line at mileage 25m 1034yds.

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Overview of the work completed

An assessment of the capacity of the original bridge carried out by Network Rail determined that it was in poor condition, and that is was not capable of carrying the required loading under current standards.

As significant and potentially costly repairs would have been required to retain the existing structure, it was decided that the best value option would be to reconstruct the footbridge.

The new footbridge, designed to accommodate pedestrians and cycles, utilised the existing abutments which were assessed as being capable of supporting the new structure. The shallower construction depth of the new bridge allowed a 603mm increase in headroom at the lowest point between the soffit and rails below.

The main challenge presented by the site was the extremely poor access to the structure for materials and large construction plant.  This was partly overcome by delivering the main span of the new structure to the site by rail.  The new bridge was loaded onto rail wagons from a nearby factory yard and transported to the site location to be lifted into place by a pair of rail mounted cranes, completing a tandem lift.

  • Removal of fill material from the bridge deck to reduce the lift weight during removal and to expose the deck plates.
  • Dismantle and removal of existing bridge deck plates in sections.
  • Removal of the existing bridge main girders, and removal off site.
  • Preparation of the existing abutments, and installation of the new pre-cast cill units.
  • Installation of the new bridge by tandem lift using two rail mounted cranes.
  • Re-construction of the earthwork approaches to the bridge.
  • Installation of drainage and downpipes from the structure.

Successes

Access constraints were overcome by collaborating with Network Rail and our suppliers to facilitate transport of the new structure to the site via rail. 

Limited access from the crest of the structure for a large mobile crane resulted in the successful planned tandem lift by two road rail cranes.