I-270 Critical Bridge Replacements
About the Project
The I-270 Critical Bridge Replacements project will rebuild eight bridges along the I-270 corridor that are deteriorating and have been in service for more than 50 years. These structures, which require frequent emergency deck repairs, are at the end of their service life and need replacement for the sake of public safety. CDOT is advancing the bridge design so reconstruction of these critical structures can begin as soon as possible.
The 7-mile-long I-270 corridor serves as an inner beltway for the Denver region, providing a direct connection between I-25 and I-70. It is a corridor of commerce, where the region’s key industry clusters of energy, advanced manufacturing, and logistics reside.
CDOT has conducted more than 300 emergency repairs on I-270 bridges since 2006, totaling over $1 million in repair costs.
Project Schedule
Design work is expected to begin in early 2023 and continue through early 2024. Construction is expected to begin in the spring or summer of 2024.
Key Project Elements
Project Locations
Four pairs of bridges (a total of eight structures) will be replaced between Vasquez Boulevard and York Street.
|
I-270 Direction |
Bridge Crossing |
Bridge Number |
|---|---|---|
| Westbound | South Platte River | E-17-ID* |
| Eastbound | South Platte River | E-17-IE* |
| Westbound | Burlington Irrigation Ditch Crossing | E-17-IF* |
| Eastbound | Burlington Irrigation Ditch Crossing | E-17-IG* |
| Westbound | Brighton Blvd & 2 Railroad Crossings (UPRR & BNSF) | E-17-IH* |
| Eastbound | Brighton Blvd & 2 Railroad Crossings (UPRR & BNSF) | E-17-II |
| Westbound | East 60th/BNSF Railroad | E-17-IJ* |
| Eastbound | East 60th/BNSF Railroad | E-17-IK |
Public Engagement
CDOT held a virtual public meeting on May 25, 2022, with 142 representatives from the construction industry and the public to review the best contracting methods to rebuild eight aging bridge structures along I-270 between York Street and Vasquez Boulevard.
During the virtual meeting, CDOT recommended using the Construction Management/General Contractor (CM/GC) method to rebuild these bridges as safely and efficiently as possible with the least amount of impact to the traveling public.
The CM/GC method allows for a quicker delivery of certain complex projects by involving a construction manager to participate early in the design process. This results in a more efficient and complete development of the project scope, which is critical to the success of very complex projects such as multiple bridge replacements in a highly congested area. CDOT has a detailed process that guides transportation engineers and stakeholders to reach the best delivery method.
Concurrently, CDOT continues the larger I-270 Corridor Improvements study (Environmental Assessment). The overall project looks to improve safety, reduce vehicle crash rates, improve travel time and reliability, improve truck freight movement efficiency and accommodate multimodal infrastructure. CDOT is working closely with stakeholders, local municipalities and the public on analyzing the overall corridor.
For more information, read the release here.
