Bids for the construction of the Boundary Channel Bridge were opened on July 18, 1928. The project was divided among several contractors. North Carolina Granite Co. provided the below-water granite, Hallowell Granite Works provided the granite for the voussoirs and the facing on the piers above mean low water level. The Woodbury Granite Co. provided the coping granite and balustrades. Hallowell delivered its granite in May 1929, North Carolina Granite delivered its by June, and Woodbury Granite delivered roughly half its granite by June 30, 1929. The construction contract itself was awarded to the N.P. Severin Company in October 1928.