Our Work

A map of the United States highlights company locations: a headquarters in Colorado (marked with a yellow star) and offices in California and North Carolina (marked with yellow dots).
A person in a helmet and wetsuit competes in a river paddleboarding race, balancing amid whitewater rapids—a thrilling scene that might inspire any Denver engineer or civil engineering enthusiast standing on the rocky shore.
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The Durango Whitewater Park is one of the country’s most utilized whitewater parks. Calibre’s Whitewater...

Aerial view of a city neighborhood divided into multiple color-coded sections, designed by an SDVOSB engineering firm, showing residential and commercial areas, roads, and green spaces.
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Calibre Engineering collaborated with AECOM on a transformative Wastewater Master Plan for the City of...

A yellow excavator loads dirt into a white dump truck at a construction site under a clear blue sky. Dirt piles and tire tracks mark the ground, while power lines stretch in the background, showcasing real-world civil engineering in action.
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Calibre undertook the conceptual layout and cost estimation for a pivotal bridge extending from the...

A modern Salvation Army building with brick and black paneling, reflecting thoughtful civil engineering, sits on a sloped street under a partly cloudy sky. A blue car is parked nearby, and trees line the landscape around the building.
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Calibre provided civil engineering services for this redevelopment on a 5.1-acre site, which included renovating...

A construction site outside a modern building with mountains in the background. Construction cones and caution signs line a sidewalk, while SDVOSB engineering teams manage dirt piles and machinery under a partly cloudy sky.
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Located in the heart of the NIH campus, the newly constructed Building J Microscopy Facility...

A large beige airport hangar under construction, with a boom lift and workers near the roof—showcasing impressive civil engineering. The sky is clear and blue, and the open tarmac stretches out in front of the building.
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Calibre provided civil engineering services for the aircraft hangar at Tinker Air Force Base, Oklahoma,...

A wooden footbridge with yellow caution tape blocks crosses a grassy creek with eroded banks—an example of civil engineering challenges—while nearby houses and trees rest under a partly cloudy sky.
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The Jackass Gulch project encompasses approximately 1,000 acres of critical watershed management. Calibre was contracted...

Four kayakers paddle through a river with rapids while a small tan dog stands on rocks at the water’s edge—an adventurous scene reminiscent of Colorado engineering projects set in nature, with trees and rocky riverbanks in the background.
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Eagle River Park is designed to attract summer visitors and promote outdoor recreation. Situated along...

A large beige airport hangar under construction, with a boom lift and workers near the roof—showcasing impressive civil engineering. The sky is clear and blue, and the open tarmac stretches out in front of the building.
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Calibre provided civil engineering services for the aircraft hangar at Tinker Air Force Base, Oklahoma,...

A group of people gather under tents by a lake in a grassy field, with mountains and trees in the background, on a sunny day. Tables with displays and activities are set up for an outdoor event featuring colorado engineering projects.
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Calibre’s Whitewater Team led the development of the River Park Master Plan in Ketchum, Idaho,...

Aerial view of a suburban neighborhood designed with precision, showcasing houses, parked cars, trees, and commercial buildings—an example of civil engineering in action along Denver’s intersecting streets on a sunny day.
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Calibre served as the on-call civil engineer for the City of Muncie, Indiana, overseeing a...

A construction site outside a modern building with mountains in the background. Construction cones and caution signs line a sidewalk, while SDVOSB engineering teams manage dirt piles and machinery under a partly cloudy sky.
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Located in the heart of the NIH campus, the newly constructed Building J Microscopy Facility...

A small adobe building with rustic stone walls and wooden beams sits among desert plants and trees, its sign reading Museum. Designed with expert civil engineering, a paved path leads visitors to the entrance.
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Located within the historic Chapin Mesa Historic Buildings and National Historic Landmark District, this significant...

A detailed map displays the town of Moab, Utah, highlighting main roads, parks, bike paths, and recreation areas with green and tan shading. Labels identify locations and trails—ideal for whitewater engineer planning or Colorado engineering projects.
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Calibre’s Whitewater Team played a pivotal role in the development of the South Saint Vrain...

A large beige airport hangar under construction, with a boom lift and workers near the roof—showcasing impressive civil engineering. The sky is clear and blue, and the open tarmac stretches out in front of the building.
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Calibre provided civil engineering services for the aircraft hangar at Tinker Air Force Base, Oklahoma,...

A covered walkway leads to a red-brick building with multiple windows, ideal for a structural engineer. A blue sign by the walkway reads Building 65. Trees and grass surround the area under a clear sky.
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Located in Little Rock, Arkansas, the Eugene J Towbin Memorial Veterans Hospital is a significant...

Desert landscape with clusters of yucca plants in white sand under a blue sky; distant mountains with a snow-capped peak visible on the horizon—a view to inspire any Colorado engineering enthusiast.
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Calibre worked on this rehabilitation project at the historic White Sands Visitor Center. Spanning 8,600...

A flooded street with partially submerged cars and muddy water swirling around them showcases the importance of civil engineering, as sunlight breaks through the clouds and trees line both sides.
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In July 2018, Englewood faced unprecedented 100-year flooding events that severely impacted three major basins,...

A surfer in a wetsuit rides an artificial wave at a river park, designed by a whitewater engineer, as spectators watch from behind a fence. Another person with a helmet and surfboard waits nearby on a concrete platform.
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Calibre’s Whitewater Team collaborated with McMillen Associates, the City of Boise, and Farmer’s Union Diversion...

Desert landscape with clusters of yucca plants in white sand under a blue sky; distant mountains with a snow-capped peak visible on the horizon—a view to inspire any Colorado engineering enthusiast.
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Calibre worked on this rehabilitation project at the historic White Sands Visitor Center. Spanning 8,600...

Sunlit cliffs and rock formations of the Grand Canyon rise above deep valleys, with green shrubs in the foreground—an inspiring scene for SDVOSB engineering and civil engineering projects under a hazy blue sky.
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Located in the picturesque North Rim area, this extensive infrastructure project spans vital water and...

A site plan map of a riverside park highlights civil engineering features along the Arkansas River, including a river access trail, dam intake reconstruction, new and existing pedestrian bridges, Sand Creek, and removal of concrete debris.
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The Arkansas River is the main recreational attraction in Cañon City. Locals and visitors are...

A suburban park with green grass, young trees, a small pavilion, and a paved walkway—crafted with civil engineering expertise—sits surrounded by houses under a clear blue sky.
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Located in Commerce City, the Settlers Crossing project encompasses 163.39 acres and features 120 single-family...