(228) 864-6289 


Simpkins & Costelli, Inc. is a civil and structural engineering consulting firm that offers a wide range of professional services to clients.  Please click on the links below for a detailed description.

Structural Engineering

Civil Engineering


  • Consulting services are offered to architects and other engineers.

Construction Administration

  • Simpkins & Costelli, Inc. places a heavy emphasis on construction administration because the key to a successful project is efficiently implementing the practical design in the field.