Hoyle, Tanner provides bridge design, evaluation, safety inspection, capacity rating and emergency response services to public and private clients throughout New England. We have completed hundreds of bridge projects for state transportation agencies including the New Hampshire Department of Transportation (NHDOT), Vermont Agency of Transportation (VTrans), Massachusetts Department of Transportation (MassDOT), New York State Department of Transportation (NYSDOT) and Maine Department of Transportation (MaineDOT) as well as numerous other agencies and municipalities.

Our expertise includes all types of bridges such as steel, concrete, and prestressed concrete girders, stone arches, historic metal trusses, timber covered bridges, precast concrete rigid frames and box culverts, metal pipes and others. We have extensive experience in the rehabilitation of historic structures and NBIS bridge inspection, please click on the hyperlinks to learn more about these capabilities.  Our staff includes noted authors, award winners and Local Public Agency (LPA) Certified Project Managers and Engineers.

Our experience includes nearly 300 bridge projects including nearly 90 projects under the NHDOT Municipal Bridge Aid Program. From start to finish, we can help with budgeting, warrant articles, abutter coordination, funding agency coordination, permitting, design, bidding and construction. Hoyle, Tanner has professional engineers with National Bridge Inspection Standards (NBIS) and Fracture Critical Member (FCM) certification to perform comprehensive bridge condition evaluations and ratings. Our staff is ready and able to make your next project a success.

Bridges Services

  • NBIS Bridge Inspection
  • Bridge Replacement and Rehabilitation Design
  • Bridge Load Rating
  • Capital Improvement Planning
  • Construction Administration
  • Construction Cost Studies
  • Construction Documents
  • Construction Observation
  • Emergency Response
  • Field Observation & Evaluations
  • Historic Structures
  • Municipal Bridge Aid Application Assistance
  • Pedestrian Bridges
  • Public Coordination & Presentation
  • Regulatory Permitting