[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR661.23] [Page 341] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 661--INDIAN RESERVATION ROAD BRIDGE PROGRAM--Table of Contents Sec. 661.23 What can these IRR bridge funds be used for? The statute provides that these funds can be used to replace, rehabilitate, seismically retrofit, paint, apply calcium magnesium acetate to, apply sodium acetate/formate or other environmentally acceptable, minimally corrosive anti-icing and deicing compositions, or install scour countermeasures for deficient IRR bridges, including multiple pipe culverts.