Location: Mulberry, Arkansas
Owner: Union Pacific Railroad
Design – Build Project to retrofit two existing piers at Bridge 479-5 Van Buren Subdivision. This project was a design build to retrofit two existing piers, the areas of concern included a deteriorating pier cap, and spread footing foundations that were being undercut by the river. OCCI took the approach of providing an entirely new pier rather than put a band-aid on a structure that has surpassed its design life. This was accomplished by drilling two drilled shafts at each existing pier, using the new shafts to support temporary falsework for a two-week period while we demolished the existing pier and then cast a new cap on our drilled shafts. All work was completed under live traffic with limited periods of speed restriction.