Lancashire County Council St Michaels and Carnforth Footbridges - United Kingdom

Lancashire County Council (LCC) in UK are a forward thinking and innovative local authority with a significant number of bridges in their asset stock. They commissioned Jacobs to carry out a detailed options study for eight footbridges following concerns that were raised during principal inspections. The options report considered refurbishment and replacement options and the possibility of using new construction materials with the aim of maximizing durability and minimizing maintenance. The recommendations for all footbridges was replace them with Fibre Reinforced Polymer. LCC divided the eight bridges into packages of two according to their budget constraints and issued tender documents to contactors for the first two packages. The first package contractor has successfully delivered two replacement FRP Footbridges of 28m span over railway in Ormskirk. These are the longest simply supported FRP footbridges in the UK. The second tender package to be issued to tender was for St Michaels and Carnforth Footbridges at 37m and 31m spans. The Council wanted FRP Bow String Trusses for these bridges that crossed a River and a Canal respectively. Nothing like this type and scale of footbridges had ever been realized in the UK. This tender was won with an alternative proposal to replace these footbridges with an aluminium solution explaining to the client in doing so the risks and costs involved in designing and fabricating these structures in FRP would be significantly greater. These are the longest aluminum footbridges in the UK of this type.

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