Preliminary studies, multiple structural alternatives, preliminary and final design, and construction phase support for the replacement of three bridges, for the MD 151 Interchange, which improved industrial development in area. Structures included steel girder bridges on MD 151/Sparrows Point Boulevard over MD 151B/Wharf Road and Tradepoint Rail line; on the SW Ramp to MD 151 SB over Wharf Road NB; and on MD 151B over Warehouse Road and Tradepoint Rail line. Design included pre-augered piles, lightweight aggregate backfill, and an accelerated schedule.
