Sterling Infrastructure (STRL) 10-Q 2015 Q3 Quarterly report

Exhibit 32

Certification by the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350

Pursuant to 18 U.S.C. 1350, each of the undersigned officers of Sterling Construction Company, Inc., a Delaware corporation (the “Company”), does hereby certify that the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2015 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	November 9, 2015	/s/ Paul J. Varello
		Paul J. Varello
		Chief Executive Officer
Dated:	November 9, 2015	/s/ Kevan M. Blair
		Kevan M. Blair
		Chief Financial Officer