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.
SERVICES
Final Design
Preliminary Design
Habitat Analysis
Hydraulic Analysis
Scour Evaluation
Alternatives Development & Analysis
Load Rating Analysis
From the blog
Learn about ongoing projects and the innovative processes we employ for our clients.
Meet Stephanie Bishop – Structural Engineer & Lifelong Learner What drew you to Hoyle Tanner? Back in 2017, I was introduced to Hoyle Tanner as a high school intern...
The intersection of wildlife habitat connectivity and transportation is receiving growing national attention as the impacts of wildlife–vehicle collisions on public safety, ecosystems, and the economy become increasingly well...
Emergency preparedness is one of the most important needs for any airport. While typically, an emergency is the “worst day” at an airport, how a response is implemented and...
This holiday season, Hoyle Tanner proudly participated in the Operation Santa Claus drive, a New Hampshire program dedicated to bringing joy and essential support to children and families in...
2025 has been a year of incredible growth for us. As we continue to deliver innovative engineering solutions, we’ve welcomed 25 new professionals across every discipline. Each person brings...
Our mission to make a positive impact on communities includes both professional and non-professional efforts. Annually, we aim to support, invest in, and promote the growth of the communities...
Hoyle Tanner’s Ground Transportation Division is proud to partner with the Maine Department of Transportation (MaineDOT) on several critical projects across the state. From Aroostook County to Yarmouth, our...
We are excited to support Millinocket Municipal Airport as they move to the construction phase of their runway. Our goal is to ensure that the construction process is as...
Noah Colon - Airport Engineer & Die Hard Boston Sports Fanatic 1.What drew you to Hoyle Tanner? What drew me first was the Kindness of the people I spoke...
