LIMITED POWER OF ATTORNEY
FOR SECTION 16(a) REPORTING

	KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned
 hereby makes, constitutes and appoints Kyle T. Larkin, M. Craig
 Hall and Betty Kwong, and each of them, as the undersigned?s
 true and lawful attorney-in-fact (the ?Attorney-in Fact?), with
 full power of substitution and re-substitution, each with the
 power to act alone for the undersigned and in the undersigned?s
 name, place and stead, in any and all capacities to:

	1.	prepare, execute and file with the Securities and
 Exchange Commission, any national securities exchange or
securities quotation system and Granite Construction Incorporated
 (the ?Company?) any and all reports (including any amendment
 thereto) of the undersigned required or considered advisable under
 Section 16(a) of the Securities Exchange Act of 1934 (the
 ?Exchange Act?) and the rules and regulations thereunder, with
 respect to the equity securities of the Company, including Forms
 3, 4 and 5; and

	2.	obtain, as the undersigned?s representative and
 on the undersigned?s behalf, information regarding transactions
 in the Company?s equity securities from any third party, including
 the Company and any brokers, dealers, employee benefit plan
 administrators and trustees, and the undersigned hereby authorizes
 any such third party to release any such information to the
Attorney-in-Fact.

	The undersigned acknowledges that:

	1.	this Limited Power of Attorney authorizes, but does
 not require, the Attorney-in-Fact to act at his or her discretion
 on information provided to such Attorney-in-Fact without independent
 verification of such information;

	2.	any documents prepared or executed by the Attorney-
in-Fact on behalf of the undersigned pursuant to this Limited Power
 of Attorney will be in such form and will contain such information
 as the Attorney-in-Fact, in his or her discretion, deems necessary
 or desirable;

	3.	neither the Company nor the Attorney-in-Fact assumes
 any liability for the undersigned?s responsibility to comply with
 the requirements of Section 16 of the Exchange Act, any liability of
 the undersigned for any failure to comply with such requirements, or
 any liability of the undersigned for disgorgement of profits under
Section 16(b) of the Exchange Act; and

	4.	this Limited Power of Attorney does not relieve the
 undersigned from responsibility for compliance with the undersigned?s
 obligations under Section 16 of the Exchange Act, including, without,
 limitation, the reporting requirements under Section 16(a) of the
 Exchange Act.

	The undersigned hereby grants to the Attorney-in-Fact full power
 and authority to do and perform each and every act and thing requisite
, necessary or convenient to be done in connection with the foregoing,
 as fully, to all intents and purposes, as the undersigned might or could
 do in person, hereby ratifying and confirming all that the Attorney-
in-Fact, or his or her substitute or substitutes, shall lawfully do or
 cause to be done by authority of this Limited Power of Attorney.

	The execution by the undersigned of this Limited Power of
 Attorney hereby expressly revokes and terminates any powers of attorney
 previously granted by the undersigned with respect to the preparation,
 execution and filing of reports of the undersigned under Section 16(a)
 of the Exchange Act and the rules and regulations thereunder with
respect to the equity securities of the Company.  This Limited Power of
 Attorney shall remain in full force and effect until the undersigned is
 no longer required to file Forms 4 or 5 with respect to the undersigned?s
 transactions in equity securities of the Company, unless earlier revoked
 by the undersigned in a signed writing delivered to the Attorney-in-Fact.

	This Limited Power of Attorney shall be governed and construed in
 accordance the laws of the State of California without regard to conflict-
of-law principles.

	IN WITNESS WHEREOF, the undersigned has executed this Limited Power
 of Attorney as of this 24th day of May 2021.


Signature:	/s/ Louis E. Caldera

Printed Name:  Louis E. Caldera