Transportation—Bridges

Geotechnical Team Member
Weymouth & Wing Bridge Replacements
Route 4 Over the Sandy River
Madrid Township & Phillips, ME

Geotechnical lead for the design for the replacement of two bridges on Maine Route 4 as part of a highway reconstruction project.

Varying bedrock topography at the bridge sites required design of spread footing foundations bearing on the prepared bedrock surface and for pipe piles socketed into bedrock.

  • Site reconnaissance
  • Subsurface exploration programs
  • Data compilation & analysis
  • Geotechnical parameters for structural pile design
  • Geotechnical design & construction recommendations
  • Basis of design reports

SchonewaldEA retained by MaineDOT (subsurface evaluation) and Stantec (design lead)

Geotechnical Team Member – Preliminary Geotechnical Engineering
Bridge Replacements
Mill Bridge, Islesboro, ME
Route 2, New Sharon, ME

Geotechnical team member for the preliminary engineering for these bridge replacement projects.

  • Site reconnaissance
  • Subsurface exploration programs
  • Data compilation and analysis
  • Geotechnical design options & construction considerations to address challenging site-specific subsurface conditions
  • Preliminary geotechnical reports

SchonewaldEA retained by MaineDOT

Geotechnical Team Member
Bridge Reconstruction
Maine Turnpike (Interstate 95) Exit 53 Ramp Bridge over Mainline
West Falmouth, ME

Geotechnical lead for bridge reconstruction that entailed lengthening, raising, and widening the structure that passes over the MeTPK mainline.

  • Site reconnaissance
  • Subsurface exploration program
  • Data compilation and analysis
  • Geotechnical design & construction recommendations
  • Basis of design report

SchonewaldEA retained by HNTB (design lead)

Additional Experience

Additional relevant bridge projects for which SchonewaldEA has served as the geotechnical team member or provided significant geotechnical services include the following:

  • Geotechnical Team Member, multiple MaineDOT bridges and struts (Large Culvert)
    • Haverhill Bridge spanning over and a primary access point to paper mill, Rumford with TY Lin International as bridge decommissioning design lead
    • Memorial Bridge over the Piscataquis River, Guilford with Becker Structural as design lead
    • Route 232 over Meadow Brook in Woodstock, ME with CMA Engineers as design lead
    • Route 1A, Ellsworth, ME with VHB as design lead
  • Preliminary Geotechnical Engineering, Strut Constructability and Approach Embankment Stability
    • Route 101 over Shoreys Brook, South Berwick, ME with MaineDOT as design lead
  • Field & laboratory studies, multiple MaineDOT bridges, including:
    • With HNTB as design lead:
      Route 11 over Pleasant River, Brownville Junction; Interstate 295 over Veranda Street, Portland; Burnham Bridge over Cobbosseecontee Stream, Litchfield-West Gardiner; and the historic Blue Hill Falls Bridge
    • With MaineDOT as geotechnical lead:
      Barrell Bridge over the York River, York and Ice House Bridge, Route 201A over Gilbert Brook, Anson
  • Field & laboratory studies, multiple Maine Turnpike Authority bridges and/or approach embankments with HNTB design lead including:
    • Cummings Road and Maxwell School Road over MeTPK mainline
    • MeTPK mainline over Cobbosseecontee Stream, MCRR, and Stroudwater River
    • Approach embankment to Rand Road bridge over MeTPK mainline