DGL has one of the largest transportation engineering groups in Northwest Ohio. We provide professional services on a wide variety of projects, including everything from simple roadway widening to complex major interchange construction. Our knowledge in the development of transportation projects allows us to perform a full range of services which include:

 

Roadway

  • Erosion / Sediment Control Design and Inspection Services

  • Floodplain and Hydraulic Analysis

  • Highway / Railroad Grade Separations

  • Hydrology and Drainage Design

  • Interchange Design

  • Transportation Master Planning

  • Pavement Evaluation and Rehabilitation

  • Retaining Walls

  • Street and Roadway Design

  • Stormwater Pollution Prevention Plans, Installation Inspection and Monitoring

  • Post-construction Best Management Practices

  • Design / Build

  • Grant Writing

Bridge

  • Bridge Design

  • Culvert Design

  • Retaining Wall Design

  • Structural Engineering

  • Historic and Non-historic Bridge Rehabilitation

  • Inspections

  • Load Ratings

  • Construction Support

  • Grant Writing

David Leigh Root Bridge