Maine Department of Transportation

Dutch Gap Bridge Replacement

Chesterville, ME

Project Summary

Hoyle Tanner provided professional engineering services for the bridge replacement of twin 14’ diameter metal pipe culverts with a 75’ span NEXT Beam with integral abutments. Preliminary and final design services included: hydraulics, scour evaluations, habitat connectivity design, public outreach, bridge design, roadway design, and final plans, specifications, and estimate. The superstructure includes a bare concrete deck with integral wearing surface and a roadway width of 24’. A single lane temporary bridge maintains traffic during construction. The project also included several hundred feet of approach roadway reconstruction with improvements in the vertical alignment and roadside safety. 


  • Final Design 
  • Preliminary Design 
  • Habitat Analysis 
  • Hydraulic Analysis 
  • Scour Evaluation 
  • Alternatives Development & Analysis 
  • Load Rating Analysis 

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