Top Three Infrastructure Concerns:

  1. Roads
  2. Wastewater
  3. Bridges

Key Infrastructure Facts

  • 30% of Michigan’s bridges are structurally deficient or functionally obsolete.
  • There are 84 high hazard dams in Michigan. A high hazard dam is defined as a dam whose failure would cause a loss of life and significant property damage.
  • 27 of Michigan’s 1,034 dams are in need of rehabilitation to meet applicable state dam safety standards.
  • 5% of high hazard dams in Michigan 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.
  • Michigan’s drinking water infrastructure needs an investment of $11.31 billion over the next 20 years.
  • Michigan ranked 3rd in the quantity of hazardous waste produced and 7th in the total number of hazardous waste producers.
  • Michigan’s ports handled 74 million tons of waterborne traffic in 2005, ranking it 14th in the nation.
  • Michigan reported an unmet need of $63.2 million for its state public outdoor recreation facilities and parkland acquisition.
  • 37% of Michigan’s major roads are in poor or mediocre condition.
  • 39% of Michigan’s major urban highways are considered congested.
  • Vehicle travel on Michigan's highways increased 29% from 1990 to 2007.
  • Michigan has $6.02 billion 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:
Michigan Report Card