Orchestration is underway for Grand Avenue bridge closure | PostIndependent.com

Orchestration is underway for Grand Avenue bridge closure

Work continues on the new Grand Avenue bridge.
Klaus Kocher |

Today marks just three weeks until the Grand Avenue traffic bridge closure. Project teams from construction to management and operations have laser focus on preparing for the bridge’s deconstruction.

Some days it is like a fine-tuned orchestra, the conductor (in this case the construction manager) is directing a series of musicians (construction crews) that all must hit their notes (schedule) just at the right time, in the right order, to be played out in unison and perfect harmony.

For example:

Material delivery is active on Seventh Street. Loads of materials needed for shoring such as rebar and concrete forms will be staged in the downtown area over the next weeks.

Directional signage for the detour is installed all over town and bagged until Aug. 14, the day the bridge closes.

During the night, crews will start striping the roadway for the detour. Striping work takes place at night to limit traffic impacts. Striping will change in areas along the detour route. Colorado Avenue will be in a one-way configuration prior to Aug. 14.

The temporary traffic light along the detour route at the intersection of Eighth Street and Colorado Avenue will be installed.

Concrete forms used for construction of the new traffic bridge over Seventh Street will be delivered along with accompanying materials. The north causeway is nearing completion along the north river bank of Colorado. Cranes will be staged and in place before Aug. 14. The south causeway will get restructured for crane staging as well.

Tarps will be set and placed to protect existing structures around the project area. More bikes racks will start popping up around town.

These are just a few of the activities creating momentum.

Traffic Impacts:

• I-70 night detour and Grand Avenue bridge closure at Exit 116 Monday, July 24, through Thursday, July 27. Traffic will be detoured off of Interstate 70 and onto Sixth Street. The traffic bridge will also be closed from 8 p.m. to 6 a.m. Monday night through Friday morning.

Exit 116 eastbound ramp closure continues from 6-9 a.m. daily.


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