United Consulting Engineers

United Consulting Engineers is an Indianapolis-based engineering firm founded in 1965 and working primarily for transportation and municipal clients across Indiana. Its practice covers transportation and bridge design, bridge inspection, water resources, construction inspection, traffic engineering and environmental services. The firm is a regular consultant to the Indiana Department of Transportation and to county and municipal agencies, and Hamilton County engaged it in August 2026 to begin design on the replacement of the Hazel Dell Parkway bridge in Carmel, which collapsed during that month’s record rainfall event. United Consulting has been named a top workplace in Indiana and operates from a single Indianapolis office.

United began with four people in 1965 and now runs a staff of over 120 from a single office at 8440 Allison Pointe Boulevard, Suite 200, in Indianapolis. Sixty years in, the firm frames its record as thousands of completed projects for a broad cross-section of clients.

The history explains how the practice widened. In 1976 the Indiana State Highway Commission, now INDOT, selected United to inspect and prepare rehabilitation plans for five state highway bridges. Performance on those five turned into a 21-year partnership preparing rehabilitation plans on more than 350 bridges, which remains the backbone of the firm’s structures work. A later selection to perform traffic counts on state, federal and interstate highways opened the traffic engineering line. Water and wastewater engineering was added in 1999, with the Sullivan Wastewater Treatment Plant following in 2003. Architecture entered the mix earlier still, when the firm hired its first architect.

Current service lines cover roadway design for all modes, bridge and interchange design plus inspection for planning, maintenance and emergencies, water and wastewater systems from stormwater drainage through treatment, construction inspection, traffic engineering, environmental permitting and impact work, and project management from design through implementation.

Recruitment and retention are treated as a competitive position rather than a nicety. United has been named one of Indiana’s Best Places to Work for the sixteenth time and holds a place in that programme’s Hall of Fame, most recently ranking first among medium-sized companies in the state.

Representative project work includes the I-69 Major Moves 2020 expansion for Milestone Contractors and INDOT, the I-69 and 106th Street interchange for INDOT, added travel lanes on I-65, the Indianapolis Cultural Trail for the City of Indianapolis Department of Public Works, and the City of Sullivan wastewater treatment plant. The mix, roughly half state highway work and half municipal, is a fair reflection of how the firm has grown.