I-25 Walsenburg Bridge Replacement
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Weekly Traffic Impacts & Work Update
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Weekly Traffic Impacts - March 24 to March 30
Please be advised of the following traffic impacts, restrictions and planned work for next week for the I-25 Walsenburg Bridge Replacement project in Huerfano County.
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Weekday Traffic Impacts
Monday, March 25 to Friday, March 29 - both directions of Colorado Highway 10 under Interstate 25 - intermittent daytime lane closures, managed by flaggers
- CO 10 under I-25 will remain open until the next phase of safety critical work, with intermittent daytime lane closures in place
- Lane closures will be taken during working hours, with alternating directions of traffic managed by flagger operations
- Working hours are half an hour after sunrise to half an hour before sunset, Monday to Friday
- Some Saturday work is expected
- CDOT will reclose both directions of the highway during safety critical construction activities
- All stakeholders will be notified in advance of the next full closure
- During full closures, detour routes will be posted with up to 10 miles and 7 minutes in additional travel time expected
- Closures are necessary to maintain safety for the railroads, the construction crews, the surrounding community, and the traveling public
- The project/closure limits extend from Mile Point 0 to MP .25
- Construction schedules are weather dependent and subject to change
Work includes forming pier caps and columns, tying rebar, and driving H-pile beams for the north abutment.
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Recent view of crews driving H-pile beams for the new southbound I-25 bridge at Exit 50. Photography by Siete, Inc.
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Ongoing Traffic Impacts
Sunday, March 24 to Saturday, March 30 - both directions of I-25 - 24/7 single lane alignment
- Both directions of traffic on I-25 are reduced to a single lane within the project limits
- The lanes have been shifted to the northbound side of I-25 via median crossover detour pavement
- The project limits extend from MP 51 to MP 49 on I-25 at the approaches to and at Exit 50 in Huerfano County
- This single lane alignment will remain in place until further notice
- A width restriction of 12 feet is in place
- Speeds are reduced to 55 mph
- The northbound I-25 on and off ramps are open
- The southbound I-25 on and off ramps are closed (see detail below)
- Caution is advised
Sunday, March 24 to Saturday, March 30 - southbound I-25 on and off ramps - 24/7 closure
- The southbound I-25 on and off ramps at Exit 50 are closed, with detour routes in place
- These ramp closures will remain in place 24/7 for about six months while crews remove and replace the southbound I-25 bridge structure
- Detour signs will be present alerting motorists to alternate routes
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Suggested detour routes during the full closure of the southbound I-25 ramps at Exit 50.
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Temporary Playground Closure
Please be advised that the playground located at S. Grant Ave. and Colorado Ave. is closed while crews replace an underground sanitary sewer line.
- The playground will remain closed until further notice
- The closure is in place to maintain public safety during underground utility work
- Fencing and signs are present alerting the public to the closure
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General Impacts & Scope of Work
- Work began in March 2023 with expected completion by late 2024
- Impacts include a single lane alignment in both directions of I-25 during removal and replacement of the southbound I-25 bridge structure
- 24/7 closure of the southbound I-25 on and off ramps at Exit 50 during removal and replacement of the southbound I-25 bridge
- Periods of full closure of both directions of CO 10 under I-25, with detour routes in place during safety critical work
- Weekday lane closures in both directions of CO 10, managed by flaggers
- Lane closures in both directions of I-25 and on CO 10 below the bridges during various phases of work
- This state and federally funded infrastructure upgrade project is designed to improve the safety of two aging bridges to support increased traffic on the I-25 corridor
- Work includes rehabilitating the northbound I-25 bridge deck, building median crossover pavement to shift traffic, and removing and replacing the southbound I-25 bridge structure
- The new bridge will be built to meet today's standards
- Other planned work includes widening and improving the on and off ramps, relocating a sanitary sewer line, and adding guardrail, signs, and safety features.
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