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 Bureau14Con@dot.nh.gov.
NHDOT Road and Bridge Projects:
Jefferson 42558 Scope: Replacement of 13' jack arch bridge at Pricilla Bk. 140/097 and 48" cmp/4x4 concrete box just to the south
- Bid Items
- Bid date: 7/17/2025
- Estimate: $2,751,278.50
- List of Bidders
- Proposal
Newington-Dover 11238S Scope: Remove the superstructure of the existing General Sullivan Bridge
- Bid Items
- Bid date: 8/21/2025
- Estimate: $29,563,085.00
- Pre-Bid Meeting will be held Tuesday, July 15, 2025 at 10:00 AM, in person, in Room 112/113 at NHDOT Headquarters - 7 Hazen Drive, Concord, NH, and virtually via a Teams Meeting - Teams Meeting Link
- List of Bidders
- Proposal
- Existing Bridge Plans and Inspection Reports
- Addendum 1 (07/01/25)
North Hampton-Greenland-Portsmouth 45027 Scope: Install median barrier on I-95 from MM 8.0 to 13.0
Portsmouth 44971 Scope: Signal pole and mast arm replacement, US Route 1 & Ocean Road
Statewide Turnpike Guardrail 44499 Score: Turnpike guardrail on Blue Star and Spaulding Turnpike. 43 locations with about 23,500 LF of GR
- Bid Items
- Bid date: 7/10/2025
- Teams bid opening
- Estimate: $1,699,160.00
- List of Bidders
- Proposal
Public Works Projects:
Invitation-Only Projects:
Project Name
- Bid Items
- Bid date:
- Estimate:
- List of Bidders
- Proposal