Top Three Infrastructure Concerns:

  1. Roads
  2. Wastewater
  3. Drinking Water

Key Infrastructure Facts

  • 20% of Montana’s bridges are structurally deficient or functionally obsolete.
  • There are 102 high hazard dams in Montana. A high hazard dam is defined as a dam whose failure would cause a loss of life and significant property damage.
  • 25 of Montana’s 2,884 dams are in need of rehabilitation to meet applicable state dam safety standards.
  • 9% of high hazard dams in Montana 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.
  • Montana’s drinking water infrastructure needs an investment of $789 million over the next 20 years.
  • Montana ranked 39th in the quantity of hazardous waste produced and 45th in the total number of hazardous waste producers.
  • Montana reported an unmet need of $248 million for its state public outdoor recreation facilities and parkland acquisition.
  • 11% of Montana’s major roads are in poor or mediocre condition.
  • Vehicle travel on Montana’s highways increased 36% from 1990 to 2007.
  • Montana has $540 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.
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.