X0306 5 2014-12-31 false 0 0 0001275617 COHEN & STEERS INFRASTRUCTURE FUND INC UTF 0001181438 STEERS ROBERT HAMILTON 280 PARK AVENUE NEW YORK NY 10017 true true false false Chairman Common Stock, par value $0.001 per share 2014-12-31 5 A false 86 0 A 1826.9183 I In Spouse's Account Common Stock, par value $0.001 per share 2014-12-31 5 A false 1647 0 A 52620.9885 D Common Stock, par value $0.001 per share 2014-12-31 5 A false 44 0 A 913 I In Child's Account Shares were acquired through dividend reinvestments at various prices at fair market value throughout the 2014 reporting year. The reporting person disclaims beneficial ownership of the securities in the spouse's account, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. The reporting person disclaims beneficial ownership of the securities in his child's account, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. Effective July 2014, the reporting person relinquished control of other childrens' accounts, and will no longer report their ownership. The share ownership reported in column 5 of this line item has been adjusted to remove ownership previously reported in those accounts. Tina M. Payne, Attorney-in-Fact 2015-02-10