Designed to Last


Engineering & Design

We combine technical proficiency and creativity with a precise attention to detail in the engineering and design of long-lasting transportation and water and wastewater infrastructure assets.

Our transportation engineers play a crucial role in enhancing mobility, accessibility, and connectivity, within and between communities, and our water engineers optimize the performance, reliability, and sustainability of water and wastewater infrastructure. In both markets, we work with clients and stakeholders to support population growth and economic development, as well as improving safety and quality of life.


Transportation Engineering

  • Bridges & Structures
  • Complete Streets
  • Highways & Roads
  • Hydrologic & Hydraulic Design
  • Intersections & Interchanges
  • Pedestrian & Bicycle Facilities
  • Right-of-Way Engineering
  • Runways, Taxiways & Aprons
  • Tracks & Stations
  • Utility Engineering

Transportation Systems

  • Advanced Traffic Management Systems
  • Communication Systems
  • Intelligent Transportation Systems
  • Lighting and Electrical Systems
  • Traffic Modeling and Simulation
  • Transportation Systems Maintenance & Operations
  • Travel Demand Modeling & Forecasting

Water & Wastewater

  • Instrumentation & Controls
  • Lift Stations
  • Pipelines
  • Pumping Stations
  • Storage Facilities
  • Water Treatment Plants
  • Wastewater Treatment Plants

featured projects

SAWS BPC Central Large Diameter Package I

To meet the requirements of the Consent Decree with the Environmental Protection Agency, the San Antonio Water System (SAWS) rehabilitated […]

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Phase II Engineering Services for Division Street Widening and Bridge Replacements, Kennedy Expressway (I‐90) to Cleveland Avenue

Division Street from the Kennedy Expressway (I‐90) to Cleveland Avenue is a heavily traveled corridor with bridges that cross over […]

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City of Irvine Strategic Active Transportation Plan

The plan is intended to guide the development of facilities for pedestrians and bicyclists that improve safety, enhance accessibility, create […]

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Moonridge Road Complete Street Design

The Moonridge Corridor Improvement is the largest public works project and stands as the most ambitious infrastructure venture in the […]

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Seattle-Tacoma International Airport (SEA) APM Train Control and Design

The underground system moves people between the 4 concourses of the central terminal and to the 2 satellite terminals.   SeaTac […]

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Hutchinson Regional Airport Runway 17-35 Rehabilitation

Lochner provided design and bidding services for improvements to both runways at Hutchinson Regional Airport. Lochner’s design included reconstruction of [&he […]

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Austin-Bergstrom International Airport Reclaimed Water Pipeline Extension

The City of Austin desired an expansion of the reclaimed water system to serve the Austin-Bergstrom International Airport (AUS) for […]

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I‐79 over North Boundary Road Design

In Cranberry Township, a dual three‐span concrete slab structure carries I‐79 northbound and southbound lanes over North Boundary Road. Due […]

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