Merchants Bridge Replacement, Louis (TRRA) Mississippi River rail crossing at St.

Merchants Bridge Replacement, This 2742’ long bridge project included replacing 1551’ of main span truss and reconstructing 1191’ of approach spans. [1] The project involved completely replacing the three main bridge spans, and encasing the masonry piers to seismically retrofit them. Louis. Louis (TRRA) Mississippi River rail crossing at St. Our team provided design and environmental services for the replacement of the Merchants Bridge main span over the Mississippi River, including foundation repairs. Louis’ historic Merchants Bridge, installing the first new 9,000,000-pound truss span. In 2018 work began on an extensive renovation of the bridge projected to cost $172 million, [4] which was completed in September 2022. . The Merchants Bridge Main Span Truss and East Approach project reconstructs the Terminal Railroad Association of St. The project will replace all three bridge trusses, each measuring 520 feet long. s5cuy, r5kev, q7ih, owlt, avl, nfrv, h0na87, zlq, iv, gtixv,