Project Portfolio

When bringing a project from idea to reality, it’s not just about the outcome – how we get there, together, is just as important. See how our team helps find solutions to a range of challenges.

Twin Ports Interchange

Designers and contractors worked side by side with SEH and a group of dedicated consultants to rebuild the Twin Ports Interchange in Duluth, Minnesota.

Planning with Purpose: Highway 47 and Highway 65 PEL Study – Phase 1

Before making improvements to Hwy 47/65, MnDOT partnered with SEH to provide community engagement and data analysis in a PEL study.

IH-39/90 Reconstruction and Expansion North Segment

SEH partnered a joint-venture team of leading engineering firm to help reconstruct nine miles of freeway in Dane County, Wisconsin, expanding the roadway.

71st Street Improvements Focused on Safety, Connectivity, and Growth

SEH collaborated with the City and County of Boulder, Colorado for the 71st Street improvements to enhance safety and connectivity.

I-39/90 and US 12/18 Madison Beltline Interchange

SEH, in collaboration with a joint-venture team of leading engineering firms, transformed the I-39/90 and US 12/18 Beltline Interchange in Madison, WI.

Greeley Fire Stations: Modern Facilities for Public Safety

SEH worked with the City of Greeley to replace the outdated fire station #2 and expand fire station #6.

Remembering and Replacing the Apache City Road Bridge

Pueblo County selected SEH to provide engineering and construction services to replace the historic Apache City Road Bridge.

Tag Alder Road Bridge over the Namekagon River

SEH was chosen by Sawyer County, Wisconsin, to design a new bridge to replace an outdated five-span structure into a new two-lane, two-span structure.

16th Street Mall Reconstruction

PCL Construction Enterprises hired SEH for a $150 million reconstruction project along 16th Street Mall in downtown Denver, Colorado.

I-35W Interchange at CR H: Remediating a Former Ammunition Plant

SEH and Kimley-Horn partnered with Ramsey County to minimize environmental impacts, fulfill National Environment Policy Act (NEPA) requirements, engage ...

Enhancing Safety and Accessibility: Highway 87 in Frazee, MN

In a collaborative effort with MnDOT District 4 and Isthmus Engineering, SEH led the team for this Trunk Highway 87 reconstruction project in Frazee, MN.

North Main Avenue Extension Project Improves Accessibility and Connectivity

SEH's innovative approach to the North Main Avenue extension project in Aztec, NM improves accessibility and connectivity. 1,700 ft. roadway project ...

Multimodal Project Improves Downtown Minneapolis Traffic Flow

Multimodal project improves freeway operations with more effective system interchange connections between I-35W and I-94 in Minneapolis.

Cedar Grove Transit Station

SEH led the design of the Cedar Grove Transit Station, skyway bridge connection over northbound TH 77 and redesign of northbound and southbound TH 77.

I-694/Rice Street Interchange

For years, Ramsey County has identified the interchange at Rice Street (CSAH 49) and Interstate 694 (I-694) as a top-priority interchange for ...

Golf Road and Golf Court Roundabout

SEH and the City of Delafield partnered to design and construct the Golf Road and Golf Court Roundabout in just 8 months.

Andrews Road Extension

The 1,900 ft. Andrews Road Extension project is one of the biggest in recent memory for the City of Black River Falls.

Cascade Avenue Reconstruction

Heavy traffic and a large number of student pedestrians along Cascade Avenue in the University of Wisconsin – River Falls were creating safety issues.

Highway 96 and 35W Diverging Diamond

The SEH team designed a diverging diamond interchange that accommodates vehicles, bicyclists and pedestrians while allowing access to a nearby development.

I-25/US 34 Interchange Improvements

The SEH team designed a new interchange that eliminated dangerous weaving movements on I-25/US 34 and replaced the loop off-ramps with diamond off-ramps.

Carver County Southwest Reconnection

SEH widened Highway 101 in Carver County and raised it above the highest recorded flood level, reconstructed County Highway 61 and added two roundabouts.

2018 Pinecone Road Improvements

SEH redesigned Pinecone Rd. to serve a new high school, expanding the road from a rural, two-lane road to a 45 ft. urban section with off-road bike lanes.

TH 61/TH 97 Roundabouts

Prior to construction, complex intersections at TH 61 and TH 97 were prone to vehicle crashes and unfriendly to both bicyclists and pedestrians trying to ...