The rail bridge installment should be completed by the end of construction season.

The project to replace the railway bridge at the west viaduct on College Dr. has been progressing smoothly all summer, as the busy roadway has largely remained open during construction.

That will change later this month when the bridge is disassembled and replaced.

City engineer Mike Grafsgaard, who consulted with NDDOT project engineer Darin Lindblom on the deconstruction of the bridge, provided details about what is planned for the project this month and when.

“The current plan is for the contractor to start removing the existing bridge the week of August 28th,” Grafsgaard said. “The removal is planned to take around a week.”

That means that the portion of College Dr. near 6th St. will once again be closed, though only for a limited time, according to Grafsgaard.

“During the removal of the existing structure College Dr. will need to be shut down for about 3-5 days,” Grafsgaard said. “This may vary based on how the removal proceeds.”

The rail bridge that spans College Dr. near 6th St. has been due for a replacement for some time, and the complex project entails replacing the current bridge, installing a temporary bridge and improving College Dr.

The city has milled and resurfaced streets around the city while the west viaduct project continues.

The rail bridge installment should be completed by the end of construction season.

The city is responsible for 10 percent of the estimated $16.7M cost of the project.

Grafsgaard says that while traffic will be affected during the disassembly of the bridge, after that work is done, there should be no further College Dr. closures until later in the year.

“The only change for traffic will be during the removal of the existing structure and when beams are set for the new bridge this fall/winter,” he said. “Other than those times traffic will remain the same as it currently is until next summer.”