Weirs Boulevard Bridge over Langley Brook

The City of Laconia is seeking bids for the construction of the Weirs Boulevard Bridge over Langley Brook. The project involves replacing the existing single-span jack arch superstructure with a precast concrete clamshell box culvert, as well as sewer and water main replacements, and roadway approach work. Bids shall be on a unit price basis, and prospective bidders must obtain electronic bid documents from the Issuing Office. A pre-bid conference will be held on June 24, 2026, at 10:00 AM. * The project requires replacement of the existing bridge structure with a precast concrete clamshell box culvert. * Sewer and water main replacements are included in the scope of work. * Roadway approach work will be limited to approximately 108 feet north and 135 feet south of the bridge. * Bidders must be listed on the NHDOT “Prequalified Contractor’s List” with a classification of bridge and/or bridge rehabilitation, road, water, and sewer.