Highways, Streets & Structures


McMahon knows roadways. We build greater experience and trust in every project. Our highly skilled and experienced designers have completed numerous feasibility studies, conceptual designs, preliminary engineering evaluations, final designs, and construction observations and management services for a variety of land development and transportation improvement projects following the design standards and procedures for local, county, state, and turnpike agencies.

Check out our new video on the Kulp Road Bridge Replacement!



  • Roadway/Street Reconstruction
  • Highway & Intersection Improvement Design
  • Alignment Alternative Studies
  • New Alignment Design
  • Multimodal Facilities Design
  • Roundabout Design
  • Access Design
  • Drainage Design/Hydrologic & Hydraulic Design
  • Right-of-Way Plans
  • Traffic Control Design
  • Utility Relocation Design
  • ADA Design
  • Roadside Safety Design
  • Pavement Evaluation & Design
  • Signing/Pavement Marking
  • Highway Bridge Design
  • Local Bridge & Culvert Design
  • Roadside Structure Design
  • In-Service Bridge Inspections
  • Topographic Survey
  • ALTA/ACSM Surveys
  • GPS & Real-Time Kinematics Surveys
  • Post Construction Stormwater Management Design
  • Erosion & Sediment Control Plans
  • Value Engineering & Constructability Reviews
  • Complete Streets Planning & Design
  • Post Construction Estimating
  • Construction Scheduling
  • Municipal/Private Bid Package Preparation
  • Plans, Specifications & Estimates (PS&E) preparation