Specifications include, but are not limited to: Replacement of three steel beam bridges within the MD 151 (Sparrows Point Boulevard) / MD 151B (Wharf Road) Interchange in Sparrows Point, Maryland; including Bridge No. 0309900 on MD 151 (Sparrows Point Boulevard) over MD 151B (Wharf Road) and Tradepoint Rail, Bridge No. 0335000 on MD 151 Ramp 8 over MD 151B (Wharf Road), and Bridge No. 0335100 on MD 151B (Wharf Road) over Warehouse Road and Tradepoint Rail. The new steel girder bridges will be supported by reinforced concrete substructure units with driven H-pile foundations. Traffic will be maintained throughout the interchange utilizing a combination of staged construction techniques and detours. The work for this project will also include the following; removal of three existing steel beam bridges, reconstruction of approach roadways and embankments, portions of existing approaches and embankments shall be replaced with lightweight fill material, installation of approach guardrail, sidewalks, signing and pavement markings, drainage structures, and grass swales. The project includes approximately 3,900’ of roadway reconstruction