POWER OF ATTORNEY



Know all by these presents, the undersigned hereby constitutes and

appoints each of Scott C. Beasley, Mary E. Henderson, Bryan P.

Stevenson, and Yuki Whitmire, signing singly, the undersigned's true

and lawful attorney-in-fact to:



(1)  prepare and execute in the undersigned's name and on the

undersigned's behalf, and submit to the U.S. Securities and Exchange

Commission (the "SEC") a Form ID (or any successor form), including

amendments thereto, and any other documents necessary or appropriate

to obtain codes and passwords enabling the undersigned to make

electronic filings with the SEC of reports required by Section 16(a)

of the Securities Exchange Act of 1934 (the "Act") or any rule or

regulation of the SEC promulgated thereunder;



(2)  execute for and on behalf of the undersigned, in the

undersigned's capacity as an officer and/or director of Arcosa, Inc.

(the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a)

of the Act or any rule or regulation of the SEC promulgated

thereunder;



(3)  do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete and

execute any such Form 3, 4, or 5, complete and execute any amendment

or amendments thereto, and file such form with the SEC and any stock

exchange or similar authority; and



(4)  take any other action of any type whatsoever in connection with

the foregoing which, in the opinion of such attorney-in-fact, may be

of benefit to, in the best interest of, or legally required by, the

undersigned, it being understood that the documents executed by such

attorney-in-fact on behalf of the undersigned pursuant to this Power

of Attorney shall be in such form and shall contain such terms and

conditions as such attorney-in-fact may approve in such attorney-in-

fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full

power and authority to do and perform any and every act and thing

whatsoever requisite, necessary, or proper to be done in the exercise

of any of the rights and powers herein granted, as fully to all

intents and purposes as the undersigned might or could do if

personally present, with full power of substitution or revocation,

hereby ratifying and confirming all that such attorney-in-fact, or

such attorney-in-fact's substitute or substitutes, shall lawfully do

or cause to be done by virtue of this power of attorney and the

rights and powers herein granted.  The undersigned acknowledges that

the foregoing attorneys-in-fact, in serving in such capacity at the

request of the undersigned, are not assuming, nor is the Company

assuming, any of the undersigned's responsibilities to comply with

Section 16 of the Securities Exchange Act of 1934.



This Power of Attorney shall remain in full force and effect until

the undersigned is no longer required to file Forms 3, 4, and 5 with

respect to the undersigned's holdings of and transactions in

securities issued by the Company, unless earlier revoked by the

undersigned in a signed writing delivered to the foregoing attorneys-

in-fact.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney

to be executed as of this 24th day of October, 2018.





Signature:  /s/   Melanie Trent

Printed Name:  Melanie Trent