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Structural
ERA’s structural engineering design team consists of Structural Engineers licensed in the State of Illinois providing structural, geotechnical, and forensic engineering services related to bridges, dams, drainage, buildings, water & wastewater treatment plant structures, sewer systems, masonry rehabilitation, investigations, and property casualty consulting. 

​Our diverse clientele includes units of local government, hospitals, park districts, manufacturing facilities, insurance companies, sanitary districts, churches, private entities, and educational institutions.  Because of our wide ranging experience and capabilities, we can provide unique solutions to our clients as we work together toward achieving desired outcomes that are within project scopes and budgets.  Additionally, our staff includes IDOT approved Program Managers and Team Leaders qualified to perform and review bridge inspections in accordance with NBI standards and requirements.   

Our wide-range of structural expertise includes:
  • Bridge Inspections and Load Ratings
  • NBIS Program Management
  • Highway Bridges 
  • Railroad Bridges
  • Pedestrian and Bicycle Bridges 
  • Underpasses
  • Retaining Walls 
  • Hydraulic Structures
  • Contractor Design Build Projects 
  • Contractor Assistance
ERA will be providing Phase I and II engineering services for the replacement of the Hart Road Bridge over Flint Creek with a single-span bridge.
ERA provided Phase I and II engineering services for the replacement of Kishwaukee Valley Road's culvert over a tributary of Rush Creek with a single-span bridge.
ERA provided Phase I and II engineering for the replacement of the restrictive culvert on Bliss Road servicing Lake Run Creek for the Kane County DOT.

McHenry County DOT
​West Solon Road over N. Branch Nippersink

​ERA is providing Phase I and II engineering services for the replacement of the West Solon Road over N. Branch of Nippersink

​DuPage County DOT
​87th Street and Woodward Avenue
Intersection Improvements

ERA provided Phase II engineering, R.O. W. acquisition and permitting services for the 87th Street and Woodward Avenue
Intersection Improvements.

City of Naperville
87th Street Bridge
over Springbrook Creek Replacement

ERA provided Phase I engineering services for the 87th Street Bridge Replacement over the Springbrook Creek.