From New Hampshire Good Roads | Winter 2025 Issue

This project will replace the State Red List bridge (Neil R. Underwood Bridge) that carries NH 1A over the Hampton River at the inlet to Hampton Harbor.

The existing bascule bridge, constructed in 1949, replaced a wooden bridge originally constructed for trollies and cars. The bridge has been rehabilitated multiple times, most recently in 2010 and again in 2018 for emergency repairs to the bascule span mechanical system.


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Other News About This Project

Project

SPS New England Leads $107M Hampton Harbor Bridge Project

Seabrook, NH
SPS New England of Salisbury, Mass., is the lead contractor after offering a low bid of $107.5 million. The long-planned project will be paid with 80 percent federal funds with the state's 20 percent match coming from turnpike toll credits, according to Jennifer Reczek, a New Hampshire Department of Transportation bridge engineer.
Project
Safety

SPS NH1A Over Hampton River Bridge Replacement Project Signs OSHA Partnership Agreement

Seabrook, NH
Thank you to Laborers Local 976, Piledrivers and Divers Local 56, Iron Workers Local 7, Carpenters Local 349, and Operating Engineers Local 4 for their participation and attendance yesterday morning signing a partnership agreement with OSHA. The partnership agreement signifies this group’s commitment to a safe and healthful jobsite at the NH1A Over Hampton River Bridge Replacement Project.
Project

Seabrook-Hampton Project Update

Seabrook, NH
Seabrook-Hampton Project Update: Crews have finished the northern bulkhead to enable access for bridge construction in Hampton. We have shifted operations to the southern workzone in Seabrook and set up the job site and mobilized in our HC 150 Crawler Crane. Our focus is installing the southern abutment cofferdam sheet pile wall and the southern bulkhead to allow access for bridge construction in Seabrook.