Our Projects
As the leader in heavy civil construction, Siete, Inc. prides itself in delivering exceptional projects on time, with the priorities of safety and quality. We’ve completed numerous projects for FHWA as well as state departments of transportation, cities, counties and municipalities.
US 64 Bridge Replacement Project
San Juan County, Shiprock, NM
Owner – NMDOT
Contract Amount - $34,381,844
Estimated Completion – Fall 2026
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US 64, in the extreme northwest corner of the state, is a rural highway within the traditional lands of the Navajo Nation. Once complete, the project will enhance mobility, improve safety and generate regional economic growth.
The project will replace two bridges, Rattlesnake bridge at MP 20, as well as Shiprock bridge at MP 14. Six-to-8-foot shoulders will be added to the new bridges, making them consistent with the rest of the US 64 corridor. The project also includes reconstruction of the roadway in the surrounding area of the bridge. In total, nearly 2 miles of roadway will be reconstructed.
Aguilar Reservoir
Las Animas County - Colorado
Owner - Town of Aguilar
Contract amount - $2,088,000
Completion Date - Spring 2024
Summary - This project is to provide a new reservoir for water storage purposes with associated earthwork, infrastructure, and restoration.
NM 24 Bridge Replacement Project
Chaves County, Pinon, NM
Owner - NMDOT
Contract Amount – $4,980,300
Estimated Completion – Fall 2025
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The project, located in southern New Mexico, will replace a bridge structure located on NM 24 at MP 33 with a concrete box culvert. The project will also reconstruct the roadway surrounding the structure.
Nichols Road
Pueblo County - Colorado
Owner – FHWA
Contract Amount - $4,417,577
Completion Date – Summer 2023
Summary - This FHWA project reconstructed Nichols Road from the McCulloch intersection to the bridge. The reconstruction included widening the intersection to accommodate left turning vehicles, building a trail linking to Pueblo West High School.
North Cheyenne Canyon Bridges
El Paso County, Colorado
Owner – City of Colorado Springs
Contract amount - $4,407,117.90
Completion Date - June 2022
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Three bridges on North Cheyenne Canyon Road, in North Cheyenne Canon Park, were redesigned and reconstructed. The original bridges in the canyon had old railroad rails and an arch culvert and were built in the early 1900s. Crews are salvaging as much of the original stone work as possible to reuse on the new structures to keep that historical element and context.
US 550 Bridge Replacement Project
Sandoval County, Cuba, NM
Owner - NMDOT
Contract Amount - $14,932,783
Estimated Completion – Summer 2026
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The project, located on US 550 near Cuba will replace an aging bridge structure located at MP 64, as well as reconstruct the roadway around the bridge. The project is anticipated to take a year to complete.
Parkdale Quarry Bridge Replacement
Teller County - Colorado
Owner - Martin Marietta
Contract amount - $200,000
Completion Date - March 2021
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Summary - Construction and installation of new concrete girder bridge, roadway work as well as removal of existing bridge, abutments and pier. The bridge is on Fremont County Road 157 over the Arkansas River.
Clayton Lagoon #2 Rehabilitation
Clayton - New Mexico
Owner - City of Clayton
Contract amount - $555,600
Completion Date - December 2021
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Summary – Project included demolition, patching and repair of lagoon wall.
US 50 Cable Barrier Install
Fremont County - Colorado
Owner – Colorado Department of Transportation
Contract amount – $1,965,622
Completion Date – October 2021
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Siete, Inc. installed center median cable barrier on US 50, near Penrose from Mile Point 284.5 to 291. The project also included adding a HMA mow strip and earthwork to flatten outside shoulders.
CO 12 & CO 194 Bridge Repairs
Bent County - Colorado
Owner – Colorado Department of Transportation
Contract Amount - $1,550,912
Completion Date – February 2022
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Siete, Inc., in partnership with the Colorado Department of Transportation, rehabilitated several bridge structures in Bent County along CO 12 and CO 194.
Sand Dunes Lane 6 North Expansion
Alamosa County - Colorado
Owner – FHWA
Contract Amount – $10,700,000
Completion – October 2022
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The Lane 6 North project involved widening, reconstruction, resurfacing, restoration and rehabilitation along 16 miles between Route 17 and Route 150 near Alamosa. The project enhanced access to Great Sand Dunes National Park & Preserve, San Luis Lakes State Park, Zapata Falls and BLM and Forest Service Access. Improvements also included drainage, along with signing and striping along the project.
I-70 Cable Barrier installation Garfield County
Silt, Colorado
Owner – Colorado Department of Transportation
Contract Amount - $2,999,466
Completion Date – December 2022
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The CDOT I-70 Cable Barrier project installed more than eight miles of median cable barrier, along with guardrail replacement in Garfield County, on I-70 near Silt. I-70 is a vital interstate through Colorado over the Rocky Mountains that connects the western slope to the front range and eastern plains of Colorado. I-70 is also a key, transcontinental highway with large volumes of commercial vehicle traffic as well as recreational traffic through the country’s largest mountain range. Siete. Inc. had to take extensive traffic control measures to protect crews, along with the traveling public as installation of cable rail was ongoing through the year.
NMDOT Clayton parking lot reconstruction
Union County, New Mexico
Owner – New Mexico Department of Transportation
Contract Amount – $1,900,000
Completion Date - July 2023​
Brush Creek parking lot reconstruction
Pitkin County, Colorado
Owner - FHWA
Contract Amount - $5,469,775
Completion Date - Fall 2023
Siete, Inc built a new parking lot at the intersection of Colorado Highway 82 and Brush Creek Rd in Pitkin County, approximately 7 miles north of Aspen. The parking lot replaced the park and ride lot that is located in the same area.
CO 12 Weston Bridge
Las Animas County, Colorado
Owner - Colorado Department of Transportation
Contract Amount - $4,920,233
Completion Date - December 2023
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Siete, Inc. was retained by the CDOT to remove and replace the existing weight restricted structure. The structure will be widened to include shoulders and guardrail will be updated. The structure is located in Las Animas County near Weston, CO at Mile Point 42.75.
Grandview Bridge Replacement
Fremont County - Colorado
Owner - Fremont County
Contract amount - $3,115,700
Completion - Fall 2024
Siete, Inc. was awarded the Grandview Ave. bridge replacement project by Fremont County in March. The project consists of removing and replacing the current bridge over a portion of the Fourmile Creek, east of Steinmeier Ave. The original bridge was built in 1940 and was reconstructed in 1965. The average daily traffic over the bridge is 1,541. The project is expected to last six months.
I-25 Walsenburg Bridge Replacement
Huerfano County - Colorado
Owner – Colorado Department of Transportation
Contract Amount - $19,259,072
Completion – Fall 2024
Siete, Inc. was awarded the I-25 Bridge Replacement project that will rehabilitate the existing I-25 northbound bridge and replace the existing southbound bridge. The bridges traverse railroad tracks as well as CO 10 and US 160. The project will also require adjusting the grade of the roadway.
I-70 Wall Replacement
Eagle County - Colorado
Owner - Colorado Department of Transportation
Contract amount - $4,174,000
Completion - Fall 2024
The Colorado Department of Transportation and prime contractor, Siete Inc., will begin a wall replacement project along westbound I-70 in Dowd Canyon on Monday, May 6. Work will take place from Mile Marker 169.5 to MM 171.5 in Eagle County between Eagle-Vail and West Vail. Crews will remove portions of the existing earth wall above US 6 at MM 170.5 and replace it with a new Mechanically Stabilized Earth (MSE) wall. Additional light paving, guardrail installations, striping and electrical work will also take place through the project zone. The project will not only protect the future integrity of the roadway, but will also enhance the aesthetics of the corridor for a safer and more enjoyable driving experience.