EXHIBIT
23.1
Consent
of Independent Registered Public Accounting Firm
Board of
Directors
Smith-Midland
Corporation
We hereby
consent to the incorporation by reference in this Registration Statement on Form
S-8 of our report dated March 23, 2005, relating to the consolidated financial
statements of Smith-Midland Corporation appearing in the Company’s Annual Report
on Form 10-KSB for the year ended December 31, 2004.
/s/ BDO
Seidman, LLP
BDO
Seidman, LLP
Richmond,
Virginia
April 22,
2005