Geotechnical & Engineering Services for Evansville and Southwest Indiana.

Subsurface investigations, soil borings, foundation design recommendations, and geotechnical reports. Southwest Indiana's geotechnical environment is more technically demanding than most project teams anticipate — deep Ohio River alluvium and outwash across the valley, loess deposits across the upland areas of Vanderburgh and Warrick Counties, and proximity to the Wabash Valley and New Madrid seismic zones that shape site classification and liquefaction analysis on nearly every significant project. Our engineers know these conditions.

Serving: Evansville · Newburgh · Boonville · Chandler · Princeton · Mount Vernon · Henderson · Owensboro · Jasper · Washington and surrounding communities

Phase I and Phase II Environmental Site Assessments, wetlands delineation, and environmental due diligence per ASTM E1527-21. Indiana Department of Environmental Management and Army Corps familiarity. Lender-ready reports delivered by licensed environmental professionals with decades of Southwest Indiana practice — including brownfield due diligence in Jacobsville, along the Pigeon Creek corridor, in Evansville's former industrial districts, and on Ohio River adjacent parcels with layered regulatory considerations.

Serving: Greater Evansville Metro · Vanderburgh County · Warrick County · Posey County · Gibson County · Spencer County · Pike County · Perry County · Dubois County

On-site concrete testing, soils and compaction inspection, structural steel, post-tensioned concrete, firestop, masonry, and IBC Chapter 17 special inspections. Same-day concrete break results. Standard reports in 5–7 days. Certified technicians available on your pour schedule — not ours. Serving healthcare, manufacturing, higher-education, riverfront, and mixed-use projects across the Tri-State region.

Serving: Downtown Evansville · Haynie's Corner Arts District · Jacobsville · Newburgh · Princeton · Mount Vernon · the I-69 and US-41 corridors

Toyota Indiana & Automotive Manufacturing

Toyota's $200 million investment at Toyota Indiana in Princeton — announced in March 2026 to expand Grand Highlander capacity as the plant marks 30 years in Indiana — reinforces Southwest Indiana's position as one of the region's most important manufacturing anchors. Toyota's expansion, combined with a broader $1 billion Toyota investment across Indiana and Kentucky operations, drives sustained demand for large-footprint geotechnical programs, aggressive compaction schedules, and construction inspection capacity that scales with automotive production timelines.

Deaconess Health System — Multi-Campus Expansion

Construction is well underway on the new Deaconess Emergency Room and Urgent Care facility at Lynch and North Green River roads — a multi-purpose three-story facility scheduled to open in late 2026 with more than 322 tons of structural steel already topped out. Encompass Health Deaconess Rehabilitation Hospital is adding 40 private patient beds and consolidating services at its Warrick Trail location in Newburgh. Healthcare construction demands precision engineering, strict inspection protocols, and zero-tolerance for reporting delays — the standard Alt & Witzig has built its reputation on.

Ascension St. Vincent & Regional Healthcare

Ascension St. Vincent Evansville — a full-service hospital with 24/7 emergency care, medical-surgical care, and maternity services — anchors the west and southwest sides of the metro, alongside Ascension St. Vincent Westside Crossing. Between Deaconess, Ascension, and Encompass, Southwest Indiana's healthcare construction pipeline is running at a scale that requires certified special inspection and construction testing staffing depth across every open project — the depth our Evansville-area team is built to provide.

University of Southern Indiana Capital Program

USI's active construction pipeline includes the $34 million renovation and expansion of the Byron C. Wright Administration Building — the first building constructed on campus in 1969 — and the $50 million Health Professions Center Renovation and Addition, part of a sustained capital investment funded through recent legislative appropriation cycles. Higher-education construction demands the precise engineering and inspection discipline our team delivers as standard practice.

Downtown Evansville & Ohio River Vision

The Ohio River Vision master plan by Sasaki — refreshed in 2026 with updated renderings around the Sunset Skatepark and Evansville Museum area — represents a generational reimagining of Evansville's downtown riverfront, with the project currently in due diligence around utilities, flood elevations, and environmental conditions (Evansville Living). Combined with continued reinvestment in Haynie's Corner Arts District and the Jacobsville neighborhood — home to Bosse Field and the Deaconess Aquatic Center — downtown Evansville is generating the kind of environmental due diligence, geotechnical investigation, and adaptive-reuse special inspection pipeline that Alt & Witzig serves at every stage.

Vanderburgh County

Warrick County

Posey County

Gibson County

Spencer County

Pike County

Perry County

Dubois County

Daviess County