    <SEC-DOCUMENT>0001654954-21-012457-index.html : 20211119
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    <ACCEPTANCE-DATETIME>20211119132254
    ACCESSION NUMBER:		0001654954-21-012457
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		26
    CONFORMED PERIOD OF REPORT:	20211115
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211119
    DATE AS OF CHANGE:		20211119

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SMITH MIDLAND CORP
    		CENTRAL INDEX KEY:			0000924719
    		STANDARD INDUSTRIAL CLASSIFICATION:	CONCRETE PRODUCTS, EXCEPT BLOCK & BRICK [3272]
    		IRS NUMBER:				541727060
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13752
    		FILM NUMBER:		211427661

    	BUSINESS ADDRESS:
    		STREET 1:		ROUTE 28
    		STREET 2:		P O BOX 300
    		CITY:			MIDLAND
    		STATE:			VA
    		ZIP:			22728
    		BUSINESS PHONE:		5404393266

    	MAIL ADDRESS:
    		STREET 1:		RT 28
    		STREET 2:		PO BOX 300
    		CITY:			MIDLAND
    		STATE:			VA
    		ZIP:			22728
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    <SEQUENCE>1
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    <DESCRIPTION>PURCHASE AND SALE AGREEMENT
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    <SEQUENCE>3
    <FILENAME>smid_ex102.htm
    <DESCRIPTION>PURCHASE AND SALE AGREEMENT
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    <TYPE>EX-101.SCH
    <SEQUENCE>14
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    <SEQUENCE>21
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    <SEQUENCE>22
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    <TYPE>XML
    <SEQUENCE>24
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    <SEQUENCE>26
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