X0306 5 2017-12-31 false 0 0 0001275617 COHEN & STEERS INFRASTRUCTURE FUND INC UTF 0001573260 Morton Benjamin 280 PARK AVENUE NEW YORK NY 10017 false true false false Vice President Common Stock, par value $0.001 per share 2018-02-28 5 A false 141.233 0 A 696.936 D Shares were acquired through dividend reinvestments at various prices at fair market value between October 2009 and September 2012. Effective October 2012, the reporting person no longer participated in the Fund's Dividend Reinvestment Plan. Dana DeVivo, Attorney-in-Fact 2018-02-28