Van Winkle Stadium & Lambert Field

TD&H provided design, a traffic study update, and construction administration, along with design and construction for a new field complex at the Lambert Fields on the MSU campus.

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Great Falls Water Treatment Plant

This project won the American Council of Engineering Companies of Montana Grand Project Award Winner (2019).

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Briarcliff Fire Station

TD&H seamlessly integrated concrete foundations, CMU shear and bearing walls, long-span open-web steel joints, and a wood-framed mezzanine structure into the 6,000 sq. ft. addition to the Briarcliff Fire Station.

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Peasley Creek Fish Passage Bridge

The project was to improve fish passage by replacing an existing box culvert and complete construction during the fish window. The project, funded jointly by the U.S. Forest Service and the Nez Perce Tribe, replaced the existing box culvert with a larger-span pipe arch.

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City of Leavenworth Commercial Street Improvements

TD&H provided the transportation design project that increased the roadway to 20’, added curb, gutter, and a 6’ wide concrete sidewalk, and improved stormwater drainage.

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We're a consulting engineering firm offering a wide range of services throughout Idaho, Montana, North Dakota, Pennsylvania and Washington.

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FEATURED PROJECTS

Missouri River Forcemain Crossing Feasibility Study Building

Missouri River Forcemain Crossing Feasibility Study

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Great Falls Water Main Crossings

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City of Livingston Engineering Services

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Van Winkle Stadium & Lambert Fields

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Montana Avenue Sidewalk Upgrades

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Riverview Meadows Path Improvements

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Pomeroy 6th Street Bridge

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Stites Wastewater System Improvements

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WHAT WE DO

Civil Engineering

Structural Engineering

Funding Procurement

Surveying

Geotechnical Engineering

Water, Wastewater, & Stormwater Systems

Transportation Engineering

Environmental Engineering

Industrial Hygiene

Land & Site Development

Landscape Architecture & Planning

Aviation
Construction Administration

Construction Administration

Materials Testing
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RECENT NEWS

CADD Technician

February 24, 2021

The Great Falls Headquarters and Helena Regional office of TD&H Engineering has an immediate job opening for a CADD Technician…

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Happy Engineer’s Week!

February 23, 2021

Founded by National Society of Professional Engineers (NSPE) in 1951, Engineers Week (February 21-27) is dedicated to ensuring a diverse…

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Employee Spotlight: Jerry Rogers

February 22, 2021

Media, PA Office How did you first learn about TD&H? “I was walking out of Wegman’s (Grocery Store) and ran…

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CADD Technician

February 24, 2021

The Great Falls Headquarters and Helena Regional office of TD&H Engineering has an immediate job opening for a CADD Technician…

READ FULL ARTICLE >

Happy Engineer’s Week!

February 23, 2021

Founded by National Society of Professional Engineers (NSPE) in 1951, Engineers Week (February 21-27) is dedicated to ensuring a diverse…

READ FULL ARTICLE >

Employee Spotlight: Jerry Rogers

February 22, 2021

Media, PA Office How did you first learn about TD&H? “I was walking out of Wegman’s (Grocery Store) and ran…

READ FULL ARTICLE >

Administrative Assistant

February 18, 2021

Professional engineering firm seeking a full-time administrative assistant to start immediately.  Customer service and team cooperation a must! Ideal candidates:…

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