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Bridge Beams for Newmains Underbridge M9 Junction

Shay Murtagh Precast were contracted to design, manufacture and deliver precast concrete bridge beams for Newmains Underbridge on the Forth Replacement Crossing - M9 Junction 1A Project in Scotland.

The client was Transport Scotland and the contractor was SRB Civil Engineering Ltd.

Bridge Beam Specifications

The new bridge was a single span deck comprising of prestressed TY7 bridge beams with an infill insitu concrete deck and was constructed alongside an existing bridge deck.

The new deck had an overall width of 28.4m and a clear span of 14.2m. Thirty three number TY7 interior bridge beams were required and these were 15.42m long and weighed 11t.Two TYE7 edge beams were also manufactured and these weighed 17.5t. The edge beams were cast with an inclined external face as requested by the client.

All delivered by our logistics to schedule we would like to thank all the team at SRB and look forward to the next project

You can contact the team for additional information on bridge beams at technical@shaymurtagh.co.uk or sign up to receive a copy of our Bridge Beam Technical Manual.