Summary
Challenge:
This municipally-managed and federally-funded bridge project involved the design of the Sewalls Falls Bridge
and approach roadway. The original structure, constructed in 1915, was a 2-span Pratt Truss Bridge which was
in significant disrepair.
Solution:
The new Sewalls Falls bridge is a 3-span, 400', continuous steel haunched girder bridge. The project utilized
the FHWA’s Every Day Counts initiative to develop preliminary design. This project included environmental and
resource identification, survey, hydraulic design, geotechnical investigation, right-of-way, utility coordination,
and public outreach, including a project website and many public meetings. MJ also hosted a series of listening
sessions throughout the duration of the project. MJ also prepared a NH Dredge and Fill Permit application,
Shoreland Water Quality Protection Act submittal, and Section 404 permit materials. MJ helped negotiate mitigation
for impacts to a state Wildlife Management Area and a separate State Recreation Area.
Awards
- ACEC NH Excellence in Engineering 2018 Gold Award
- 2018 National Steel Bridge Alliance Merit Award
McFarland-Johnson, Inc. (MJ) is a 100% employee-owned multidisciplinary planning, design and construction administration firm.
Our vision: MJ will be a nationally-recognized, innovative infrastructure consulting firm.
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