I-95/I-695 Interchange

Client

Maryland Transportation Authority

Location

Baltimore, Maryland

Key Challenges & Project Details

  • Reconstruction of the interchanges at Maryland I-95 and I-695 north of Baltimore
  • Includes 11 bridges, including 4 flyovers
  • Tallest pier: 87’
  • Highest elevation of deck above grade: +/- 100’
  • Bridge deck: 498,410 SF
  • Concrete volume: 630,000 CY (including deck concrete)
  • Noise walls: 9,328 LF total
  • MSE Walls: 70,108 SF
  • Pile: 120,862 LF
  • Tunnels (sewer): 800 LF
  • Excavation: 846,750 CY
  • GAB: 219,146 Tons
  • Storm Drain: all sizes, 30,027 LF
  • Includes removing the existing double-braided interchange and construction of a new, reconfigured four-level interchange
  • Phase 1 realigns I-95 Corridor through a five-phase construction schedule
  • Phases 1-3 include building four at-grade ramps with two small bridges and four flyover multi-span bridges to create new exits from I-95 and I-695
  • Phases 4 and 5 realign I-95 using two multi-span bridges and at-grade approaches
  • Project also includes reconstructing and lengthening a bridge over I-95 and one over I-695
  • Major earthwork, drainage, noise walls and other bridge work included

Joint Venture Partner

GA & FC Wagman
McLean Contracting Co.