Rural Infrastructure Improvement Act of 2010 - Amends the Consolidated Farm and Rural Development Act to provide that if the Secretary of Agriculture (USDA) applies a median income requirement to communities for determining community facilities programs and water, waste disposal, and wastewater program eligibility in a state where the state nonmetropolitan median income is at least 90% of the national average nonmetropolitan median income, the Secretary shall use an amount equal to 95% of the national average nonmetropolitan median income in applying the median income requirement for any community in such state.
Terminates such authority on September 30, 2012.