Our latest scientific paper on prestressed bridge deflections, has a lot of valuable information for a recent consultancy on the lake Polyfytos Bridge: https://metainfrastructure.org/lake-polyfytos-bridge
Title: Control of long-term deflections of RC beams using reinforcements and low-shrinkage concrete authored by H. Sousa, S. Mitoulis, K. Psarras, I. Tegos. The paper explains how bridge vertical deflections can be alleviated by making use of low shrinkage concrete. The paper can be found here.