Portfolio

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...

A concrete culvert, designed by a Colorado engineering firm, passes under a highway bordered by dry grass and rocks, with cars on the road and distant buildings beneath a cloudy sunset sky.
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The I-25 Erie Gateway is a transformative 600-acre mixed-use development designed to be a vibrant,...

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...

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...

Construction workers in safety gear pour and smooth fresh concrete for a sidewalk and driveway near a building, as SDVOSB engineering professionals oversee the site. Trucks are parked nearby, with dirt and construction materials surrounding the area.
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This project encompassed the repaving and construction of the parking lot, covering both the existing...

A person kayaks through whitewater rapids in a river designed by a skilled whitewater engineer, with tiered stone steps and a large brick building with a smokestack and trees in the background. Another person sits on the rocks near the riverbank.
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The Poudre River Park was developed to transform an abandoned diversion structure into a vibrant...

Three people stand on rocky edges by a shallow river under a clear blue sky, with trees and grassy banks in the background—a peaceful scene that might inspire any civil engineering or structural engineer in Denver. Smooth stones line the shoreline.
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Calibre’s Whitewater Team sought to enhance the Supply Irrigating Ditch Company’s diversion structure on St....

Aerial view of Riversport Rapids whitewater center in Oklahoma City, showcasing winding water channels crafted by expert whitewater engineers, with adjacent river, people in rafts, modern buildings, and the city skyline under a clear sky.
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Riversport Rapids Whitewater Center is the first pumped-park globally to offer a recreational, a competition,...

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...

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 river with rapids flows through a city, bordered by rocks, greenery, and walkways. People sit near the water; buildings designed with civil engineering expertise, a bridge, and power lines are in the background under a clear sky.
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Located in the heart of downtown Denver, the South Platte River Rehabilitation project spans one...

Two athletes in orange vests paddle a canoe through whitewater rapids on a slalom course designed by Colorado engineering experts, with a large crowd watching from the stands and a judge observing from the foreground.
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The Holme Pierrepont National Watersports Centre is a premier facility that underwent a transformative upgrade...

Two people wearing wetsuits and helmets ride waves on bodyboards in a river, surrounded by splashing water, showcasing the thrill of whitewater engineer adventures with rocks visible in the background.
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The Cañon City River Whitewater Park focused on revitalizing the river ecosystem while enhancing recreational...

A large American flag waves in the foreground above a green lawn, with a civil engineering construction site, pond, parked vehicles, and stacks of materials visible in the background under a partly cloudy sky.
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Calibre managed the Phase 2 Expansion of Cape Canaveral National Cemetery in Florida, a significant...

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 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.
[city_state]

Located in Little Rock, Arkansas, the Eugene J Towbin Memorial Veterans Hospital is a significant...

A concrete culvert, designed by a Colorado engineering firm, passes under a highway bordered by dry grass and rocks, with cars on the road and distant buildings beneath a cloudy sunset sky.
[city_state]

The I-25 Erie Gateway is a transformative 600-acre mixed-use development designed to be a vibrant,...

A large black truck labeled USAF EOD is parked on a paved area beside a grassy field, possibly the site of a colorado engineering or civil engineering project, with a small green flag marker in the foreground and a chain-link fence in the background.
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Calibre provided civil design services for an 11,619 square-foot Explosive Ordinance Disposal (EOD) Facility addition...

Three large drainage pipes emerge from a concrete structure beneath a sidewalk, surrounded by grassy slopes and trees. A park sign is visible on the left, highlighting colorado engineering expertise in integrating infrastructure with natural landscapes.
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Calibre conducted a comprehensive assessment of a critical CMP and RCP stormwater pipe. The project...

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...

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...

Where We’ve Worked

A map of the United States highlighting all states. It marks company headquarters in Colorado (star icon) and offices in California, North Carolina, and Georgia (dot icons). Hawaii and Alaska are also shown.
International Work