Business Details
50+ Years
experience
Your Trusted Engineering Partner in Idaho Falls
Founded in 1969, Harper-Leavitt Engineering (HLE) has built a legacy of excellence in civil, structural, and geotechnical engineering, surveying, and materials testing. Our team combines over 158 years of collective experience with cutting-edge technology to deliver precise, efficient solutions tailored to client needs. We serve Idaho, Montana, Utah, and Wyoming, prioritizing personal service and integrity in every project. Our mission centers on honesty, innovation, and accountability, ensuring projects meet rigorous standards from concept to completion. With offices in Idaho Falls and Blackfoot, we provide rapid response times and deep local expertise.Our engineers and surveyors hold advanced certifications and decades of experience in transportation, water systems, and infrastructure. We maintain ASTM-compliant materials testing labs and emphasize sustainable, cost-effective designs. Client collaboration remains central to our approach, fostering trust and long-term partnerships. Our commitment to quality is reflected in meticulous documentation, adherence to industry standards, and a track record of successful public and private projects.
Services
Structural Engineering
Geotechnical Surveys
Civil Site Plans
Water Systems Design
Wastewater Engineering
Transportation Planning
Construction Inspection
Materials Testing
Land Development
Boundary Surveys
Details
- Year established: 1969
Highlights and features
- We offer 50+ years of combined engineering and surveying experience.
- Our team maintains ASTM-compliant materials testing labs for accuracy.
- We provide rapid response times from offices in Idaho Falls and Blackfoot.
- Our engineers hold advanced certifications in multiple disciplines.
- We prioritize client collaboration and sustainable, cost-effective designs.
Services
Structural Engineering
Our structural engineering team designs bridges, buildings, and infrastructure with precision and safety. We handle projects from concept to construction, ensuring compliance with federal and state standards. Clients benefit from decades of experience in ITD, FHWA, and municipal projects.
Geotechnical Surveys
We conduct core sampling and soil analysis to inform foundation design and earthwork projects. Our in-house lab performs ASTM-standard testing for soils, asphalt, and concrete. This ensures accurate data for construction planning and risk mitigation.
Civil Site Plans
We create comprehensive site plans for commercial, residential, and industrial developments. Our full-service approach includes coordination with municipalities, architects, and contractors to streamline project timelines and regulatory approvals.
Water Systems Design
We design efficient water distribution systems with minimal maintenance needs. Our expertise includes wells, storage tanks, and treatment facilities, focusing on sustainability and long-term asset reliability for communities and businesses.
Transportation Planning
We engineer roadways, bridges, and pedestrian pathways with integrated utility and drainage solutions. Our work emphasizes safety, accessibility, and compliance with federal transportation standards for public and private clients.
People
B. Luke Jolley
President Chief Engineer
Registered Professional Civil Engineer with 20+ years of experience in transportation, geotechnical, and public infrastructure projects. Oversees civil engineering operations in Idaho Falls and Blackfoot offices.
Clint Jolley
Vice President Survey Manager
Professional Land Surveyor with 20+ years of experience managing highway, boundary, and topographic surveys. Holds a BS in Geomatics Technology and specializes in Trimble GPS systems.
Chris Street
Treasurer Survey Manager
Survey Manager in Blackfoot with 20+ years of experience in boundary resolution, GNSS networks, and construction staking. Graduated from Idaho State University and manages large-scale survey projects.
Anthony Koon
Project Engineer
Lead Structural Engineer with 28 years of experience in project management and structural design. Specializes in bridge and building projects, ensuring detailed documentation and client coordination.
Spence Ward
Project Engineer
Project Engineer with expertise in water systems, wastewater, and irrigation projects. Manages grants and coordinates stakeholders to deliver efficient infrastructure solutions for public agencies.
Questions
What engineering services does HLE offer?
We provide civil, structural, geotechnical, transportation, water, and wastewater engineering, along with surveying and materials testing services.
Which states does HLE serve?
We operate in Idaho, Montana, Utah, and Wyoming, with offices in Idaho Falls and Blackfoot for local responsiveness.
How long has HLE been in business?
We've provided engineering services since 1969, with over 158 combined years of experience among our team members.
Do you handle both public and private projects?
Yes, we work with municipalities, agencies, and private developers on infrastructure, land development, and construction projects.
What certifications do your engineers hold?
Our team includes Professional Civil Engineers (P.E.) and Professional Land Surveyors (P.L.S.) licensed in multiple states.
Can you assist with materials testing?
Yes, we have an in-house lab in Idaho Falls conducting ASTM-standard testing for soils, concrete, and asphalt.