Hampstead Bypass

Category
Design-Build

Client
Maryland Department of Transportation/State Highway Administration

Location
Carroll County, Maryland

Key Challenges & Project Details

• Construction of approximately 4.5 miles of two-lane road
• Two-lane asphalt roadway with numerous stream and wetland crossings
• 4 bridges, 2 noise walls and 9 stream crossings
• Involved impacts to forest, waters of the US and permanent/temporary wetlands
• Construction scheduled around in-stream restrictions for Use I, II and IV waterways
• Some areas include special protection Bog Turtle Habitat, with unique accommodations implemented into design
• New drainage; roundabout lighting; 8 cross culverts; route landscaping and approx. 900,000 CY cut-to-fill
• 13 new stormwater management ponds with micro-pools, 3 using traditional risers and outfall pipe, and 10 with various weir walls
• Placed seven, 59-ton girders in one day via two hydraulic cranes and a skid beam to overcome limited space/access
• Public relations included an 800 telephone line, monthly newsletters and customer satisfaction log
• Project awarded on best value and set precedent as first Maryland SHA Design-Build to include bridge design by Design-Builder

Design Partner
Whitney, Bailey, Cox, Magnani, LLP (WBCM)

Project ongoing
Completion date:
Mid-summer 2009