New Hampshire

Top Three Infrastructure Concerns:

  1. Roads
  2. Bridges
  3. Schools

Key Infrastructure Facts

  • 36% of New Hampshire’s bridges are structurally deficient or functionally obsolete.
  • There are 106 high hazard dams in New Hampshire. A high hazard dam is defined as a dam whose failure would cause a loss of life and significant property damage.
  • 57 of New Hampshire’s 3,073 dams are in need of rehabilitation to meet applicable state dam safety standards.
  • 8% of high hazard dams in New Hampshire have no emergency action plan (EAP). An EAP is a predetermined plan of action to be taken including roles, responsibilities and procedures for surveillance, notification and evacuation to reduce the potential for loss of life and property damage in an area affected by a failure or mis-operation of a dam.
  • New Hampshire’s drinking water infrastructure needs an investment of $596 million over the next 20 years.
  • New Hampshire ranked 43rd in the quantity of hazardous waste produced and 28th in the total number of hazardous waste producers.
  • New Hampshire’s ports handled 5 million tons of waterborne traffic in 2005, ranking it 36th in the nation.
  • New Hampshire reported an unmet need of $460,000 for its state public outdoor recreation facilities and parkland acquisition.
  • 27% of New Hampshire’s major roads are in poor or mediocre condition.
  • 51% of New Hampshire’s bridges are structurally deficient or functionally obsolete.
  • Vehicle travel on New Hampshire’s highways increased 41% from 1990 to 2007.
  • New Hampshire has $570 million in wastewater infrastructure needs.


*Survey of the state’s ASCE members conducted in September 2008

Deficient Bridge Report, Federal Highway Administration, 2008.
National Inventory of Dams, U.S. Army Corps of Engineers, 2008.
Drinking Water Needs Survey and Assessment, Environmental Protection Agency, 2003.
National Biennial RCRA Hazardous Waste Report, Environmental Protection Agency, 2007.
The U.S. Waterway System – Transportation Facts, Navigation Data Center, U.S Army Corps of Engineers, February 2007.
2007 Annual Report, Land and Water Conservation Fund State Assistance Program, National Park Service.
TRIP Fact Sheet, March 2009.
Clean Water Needs Survey, Environmental Protection Agency, 2004.

Other resources:
New Hampshire Report Card