Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

1) Registration Statement Form S-8 (File No. 333-188621) pertaining to the U.S. Concrete, Inc. Long Term Incentive Plan; and

2) Registration Statement Form S-8 (File No. 333-187989) pertaining to the U.S. Concrete, Inc. Deferred Compensation Plan

of our reports dated March 1, 2018, with respect to the consolidated financial statements of U.S. Concrete, Inc. and the effectiveness of internal control over financial reporting of U.S. Concrete, Inc. included in this Annual Report on Form 10-K of U.S. Concrete, Inc. for the year ended December 31, 2017.

/s/ Ernst & Young LLP

Dallas, Texas

March 1, 2018