Plat Book

• Procedures and Specifications for Plat Street Development.   Please refer to the Michigan Department of Transportation for updated MDOT Standard Specifications by entering or clicking the link below:
  
  http://mdotwas1.mdot.state.mi.us/public/design/englishstandardplans/index.htm
  
  Special Provisions are frequently updated; use current MDOT Standard Specifications.
  
  All applicable construction shall comply with current St. Clair County Road Commission standards and specifications.  Approval of the plans by the St. Clair County Road Commission does not relieve the owner/developer of this requirement nor does it give approval to any errors and/or omissions contained in the plans.

Bridge Location Maps

• A PDF file of our Bridge Location Maps

Bridge Posting Maps

• A PDF file of our Bridge Posting Maps