U.S. CONCRETE, INC.

Power of Attorney

	WHEREAS, the undersigned in his, her or its capacity as a director, officer or beneficial
owner of securities, or any combination thereof, as the case may be, of U.S. Concrete, Inc., a
Delaware corporation (the "Company"), may be required to file with the Securities and Exchange
Commission (the "Commission") under Section 16 of the Securities Exchange Act of 1934, as
amended, and the rules and regulations promulgated thereunder, a Form ID Application and
Forms 3, 4 and 5 (the "Forms") relating to the undersigned's ownership of certain securities of
the Company;

	NOW, THEREFORE, the undersigned in his, her or its capacity as a director, officer or
beneficial owner, or combination thereof, as the case may be, of the Company, does hereby
appoint Donald C. Wayne, Christopher M. Powell and Stephanie Schweigart, and each of them
severally his, her or its true and lawful attorney(s)-in-fact and agent(s) with power to act without
the other and with full power of substitution and resubstitution, to execute in the undersigned's
name, place and stead, in his, her or its capacity as a director, officer or beneficial owner of
securities, or any combination thereof, as the case may be, of the Company, the Forms and any
and all amendments thereto and any and all instruments necessary or incidental in connection
therewith, if any, and to file the same with the Commission, and to appear before the
Commission in connection with any matter relating thereto.  Each of said attorneys-in-fact and
agents shall have full power and authority to do and perform in the name and on behalf of the
undersigned in any and all capacities, every act whatsoever necessary or desirable to be done in
the premises, as fully and to all intents and purposes as the undersigned might or could do in
person, the undersigned hereby ratifying and approving the acts of said attorneys and each of
them.  The rights, powers and authority of said attorneys-in-fact and agents herein granted shall
remain in full force and effect until revoked by the undersigned by giving written notice of such
revocation to the Company.

	IN WITNESS WHEREOF, the undersigned has executed this instrument this 7th day of
November, 2005.



								/s/ Robert D. Hardy
								Robert D. Hardy