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Location:
Portland, ME
Completed:
2021

Stroudwater Bridge Improvements

Scope of Work
Cianbro completed a phased construction and rehabilitation to the I-95 highway over the Stroudwater River and Maine Central Railroad. Phase 1 included substructure widening with H-pile, cofferdams, and concrete additions to each pier and abutment, followed by the demolition and widening of concrete bridge decks. Phase 1 also included installing new steel girders. Phase 2 involved the replacement of the existing backwalls and wingwalls. This required tying these into existing abutment footings, replacing the second phase of the bridge decks, and placing new pavement.
Project Details

Cianbro completed:

  • Saw cut and partially demolished existing piers for bridge widening
  • Installed pile supports, concrete footings, abutments and piers
  • Installed structural steel girders to widen the bridge
  • Added steel diaphragms and tension braces to accommodate a new bridge deck
  • Performed eight bridge deck placements
  • Performed spall and crack repair of substructure concrete
  • Conducted erosion and drainage improvements
  • Performed bearing pedestal reconstruction
  • Maintained and protected traffic in busy urban setting
  • Coordinated with railroad for work over active rail line
  • Jacked bridge for bearing rehabilitation
  • Painted, rehabilitated, and reset bearings
Lean, Innovative and Unique Project Solutions
Access was a challenge on the project site requiring careful planning for movement of workers as well as storage and delivery of materials. At Stroudwater, the slopes to the river were very steep and the only access to the work zone was directly from the highway. This required detailed access plans including staging and stairways.
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Our Offices
Corporate Headquarters
P.O. Box 1000
Pittsfield, ME 04967
207-487-3311
info@cianbro.com

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