The main contractors for the ironwork were Hawks, Crawshay, and Sons, who were assisted by John Abbot and Co., of Gateshead Park Works, and Losh Wilson and Bell, of Walker Ironworks, in the production of the castings. The tender was accepted at £112,000. The contract for the bridge piers and land arches and for the Newcastle Viaduct were won by John Rush and Benjamin Lawton of York for £94,00 and £82,500 respectively. The total cost of the contracts at 1999 prices would be over £30 million.