Paving complete on MDT Toston Structures Project


December 2, 2020

The Montana Department of Transportation recently gave an update on the Toston Rivers Project. Paving is complete on the new Missouri River Bridge and demolition is underway on the old bridge. Work on wildlife fencing, signage, and the pedestrian tunnel is also currently taking place.

It is not anticipated this work will substantially impact travel, however, please continue to watch for workers in the area and signage that may require reduced speeds for short distances throughout the winter months.

Construction began on the project in April of 2019. Piers and steel girders for the new Missouri River Bridge were completed in August 2020, bridge deck work was completed in September 2020, and traffic has been utilizing the new Missouri River and MRL bridges since the week of November 16, 2020. Paving of the new roadway started in October. `The Toston project improves safety and addresses current and future traffic needs. The existing roadway and bridges are over 70 years old and no longer meet transportation design, environment, or safety standards. In a recent 5-year study, this stretch of road has had higher crash frequency and more severe crashes than similar roads.

The project includes construction of 3.5 miles of new roadway, some of which will be moved over to connect to the new bridges over the Missouri River and BNSF railroad tracks. The two new bridges will be wider than the existing ones and will also include more room on the shoulder for walkers and bicyclists.

For weekly construction updates including traffic information, please subscribe to texting updates for 'tostonstructures' to 47177 or email updates at [email protected]. You may also contact the Public Information Officer directly at 406-698-3668.


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