Invitation for Bid

New Hampshire Department of Transportation Road and Bridge and Public Works construction project Invitations to Bid are listed below.

Click the Project Name to access the project information.

For Information about Electronic Bidding.

If you would like to obtain the password for access to the proposal/plans, please reach out to the Contract Office at (603) 271-3732 or email


NHDOT Road and Bridge Projects:

Charlestown 42484   Scope:  NH12 Bridge preservation efforts for NH 12 over NECR

Hooksett 44098 Scope:  Preserving the 2-span bridge in Hooksett carrying Donati Drive over I-93 NB&SB

Loudon 44011   Scope:  Culvert rehab/replacement of several pipes under NH 106 n Loudon 

Merrimack 10136D   Scope:  Intersection reconstruction and widening along NH 101A at the Continental Boulevard Intersection

Newport 43060B   Scope: Resurfacing and ADA upgrades in downtown Newport

Newington-Dover 11238S - Scope: Remove General Sullivan Bridge and provide the most cost-effective bike/ped connection. (RC DBE Goal: 1.1%)

Pembroke-Meredith RS 40842  Scope:  Installation of rumble strips along NH Route 106



Public Works Projects:

Brentwood 81314RB Scope: ARPA Rockingham County Courthouse HVAC upgrades Phase II

81271B - Concor- Thayer Building Window Replacement

Concord 81084D Scope: Rebid ARPA State House Annex Renovations


Invitation-Only Projects:

Project Name

  • Bid Items
  • Bid date:
  • Estimate:
  • List of Bidders
  • Proposal Package