Janssen & Spaans Engineering, Inc. (JSE) provides engineering excellence for transportation and structural projects throughout the United States and abroad (e.g. highway, interstate, freeway, bridge). JSE was founded in 1978 and incorporated in 1991.
Our experienced staff of professional design engineers, inspectors, and surveyors have developed a reputation for providing JSE's clients with innovative and cost-effective designs that benefit private owners, government agencies, and contractors.
The firm's exceptional design solutions are confirmed by our numerous national and local engineering achievement awards. Our design efforts are recognized in many professional publications.
JSE's staff is committed to delivering outstanding service, keeping our projects on time and within budget.