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7/5/2024
Crews are constructing substructures and piers for the BNSF Railway Co.’s replacement of the bridge that spans the Missouri River between Bismarck and Mandan, North Dakota.
Construction began last year on the new bridge, which will replace the historic Bismarck-Mandan Bridge, a 1,470-foot-long truss structure built more than 140 years ago. Located next to the original bridge, the new single-track structure will support heavier freight.
“BNSF is committed to making capital investments to replace bridges across waterways as they approach the end of their useful life to ensure that we have safe and reliable structures for employees and the communities we operate in,” said Mike Herzog, director of bridge construction, in a recent “Rail Talk” post by Paige Romanowski on the railroad’s website.
Substructures are under construction first so that spans can later be positioned and track put in place. The western embankment, which will host the new track west of the river spans, should be completed this year, BNSF officials said.
The new bridge is expected to be completed in second-quarter 2026.