Bert Wycoff, P.E., CFM, President

Mr. Wycoff is owner and President of Bridge & Stream Engineering, Inc., with a primary background in project engineering and project management. Much of his experience over the past 25 years is with railroad consulting services, hydrology and hydraulics, floodplain analyses, permitting, and drainage systems.  Other project experience includes urban storm drainage systems and river maintenance programs.

Scott Allen, P.E., Water Resources Engineer

Mr. Allen is a professional water resources engineer specializing in surface water hydrology and hydraulics, erosion control measures, environmental permitting, and improvements to civil infrastructure.  Over the past 15 years, he has gained diverse industrial experience ranging from railroad services to hard rock mining operations to power generation facilities, managing and supporting engineering projects from initial conception and permitting through design, construction, startup, and operations.  He has worked across the US and internationally. 

Wendy Banzhof, P.E., Water Resources Engineer


Ms. Banzhof is a Civil Engineer specializing in surface water hydrology and hydraulics. Much of her experience includes 2-dimensional modeling using the SRH-2D hydraulic model for bridges with complex hydraulics, as well as advanced 2D modeling in HEC-RAS. Her experience also includes urban flooding, dam breach modeling, the modeling of complex overland flooding, stormwater design, and floodplain permitting.

Terry Bowen, P.E., Senior Engineer

Mr. Bowen has over 35 years of experience in water resources planning and management, including hydraulic/hydrologic assessments, computer modeling, field investigations, permitting, litigation support, and report writing. He has performed hydrologic and hydraulic analyses, including sizing replacement structures, for multiple railroad and state highway bridges.  He has also performed hydrologic and hydraulic analyses for extreme flood events and dam safety projects, and prepared flood insurance documents to be approved by FEMA.

Sydney Doidge, E.I.T., Water Resources Engineer

Ms. Doidge is an engineer in training specializing in water resources. She has a variety of experience including hydrologic and hydraulic modeling, dam breach analysis, levee inspection, and erosion and sedimentation analysis.

Travis Kluthe, P.E., CFM, Water Resources Engineer


Mr. Kluthe has experience in hydrology, hydraulics, and physical and computer modeling. Specific project experience over the past 15 years includes the development of a wide range of rainfall-runoff models, detention basin design, storm sewer network analysis and design, erosion protection design and scour analysis, floodplain mapping, sediment transport modeling, dam breach modeling, and river hydraulics.  He has also performed hydrologic and hydraulic analyses, including sizing replacement structures, for numerous bridges.

Mike Lawrence, P.E., CFM, Water Resources Engineer


Mr. Lawrence is a Civil Engineer and specializes in the areas of hydrology, hydraulics and floodplain mapping. Over the past 15 years, he has performed many hydraulic studies, including numerous dam breach analyses and flood insurance studies. He is especially experienced utilizing LiDAR based digital elevation models (DEMs) to perform steady and un-steady hydraulic analyses and associated floodplain mapping on complex drainage systems. In addition, he has also performed several stream restoration and channel stabilization designs.

Travis Rounsaville, P.E., CFM, Water Resources Engineer

Mr. Rounsaville is a professional engineer with 15 years of experience in water resources engineering. He has experience with both physical and computer hydraulic modeling, including 2-Dimensional modeling.  His design experience includes natural channel, hydraulic structures, irrigation structures, and scour/erosion protection.  He has extensive floodplain and floodway mapping and permitting experience, including Letters of Map Revision submittals to FEMA, as well as Floodplain Development Permits and No-Rise analysis submittals to local governments. 

Dale Vagts, Ecologist; Environmental Scientist

Mr. Vagts is an Ecologist with expertise in wetland biology and environmental science.  He has diverse state, federal, and private consulting experience, resulting in a broad understanding of regulations, land use, and resource management. He has a background in general engineering and project management. He is skilled in wetland delineations, stream assessments, preparation of Clean Water Act Section 404 and Harbors Section 10 permit applications, wetland and stream impact mitigation, violation resolution, compliance monitoring, biological and ecological assessments, and NEPA documentation.

Tom Vrieswyk, Field Technician; Drafter


Mr. Vrieswyk has 15 years of experience as a surveyor on railroad bridges, culverts, for projects that included hydrology and hydraulics evaluations. He also worked for a major railroad for 7 years as a conductor. He has several years of construction project management and supervisor experience that allow him to see projects with a veteran perspective.

Jason Wilkinson, E.I.T., Water Resources Engineer


Mr. Wilkinson is an engineer in training specializing in water resources. He has a variety of experience including hydrologic and hydraulic modeling, stream and outfall restoration, and the support of local government Municipal Separate Storm Sewer (MS4) compliance programs.

Terry Yergensen, Environmental Services Coordinator; UAS Operations Manager

Mr. Yergensen is an Environmental Services Coordinator, specializing in forecasting environmental/floodplain impacts and securing local, state, and federal permits for various water resources projects. He is a trained wetland delineator. He has conducted field site surveys throughout the United States. He also has more than thirty years of experience involving facility programming, planning, budgeting, new construction design, environmental compliance, and project management. He is a FAA certified remote pilot for small unmanned aircraft systems (sUAS).