Historic Bridges in Minnesota


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Current projects

Nymore Bridge

image of nymore bridge

















The City of Bemidji plans to repair and rehabilitate the National Register of Historic Places-listed Nymore Bridge. The bridge has been closed to vehicular traffic for over two decades but formerly carried First Street over the Mississippi River. Built in 1916, the bridge is a three-span reinforced concrete arch structure, with Classical Revival style details. The Nymore Bridge is listed in the National Register under Criterion C for its association with a steel concrete reinforcement system patented by George M. Cheney in 1906. The city will repair the bridge and rehabilitate the structure for use by pedestrians, bicyclists, and snowmobilers.


Entrance bridge to Lake Louise State Park

In the next few years, the state’s only existing Warren pony truss bridge will be restored and placed on its new home at the entrance into Lake Louise State Park. In 2008, the 1935 bridge was removed from its original location on Trunk Highway 24 over the North Fork of the Crow River in Meeker County, Minnesota, because it did not have adequate capacity to continue use as a vehicular bridge. The DNR will use the bridge for light vehicular traffic and pedestrian/bicycle traffic.



Ramsey Park Swayback Bridge

Redwood County is working with FEMA to rehabilitate the Ramsey Park Swayback Bridge. Read more about the project or watch a video produced locally with the assistance of the Minnesota Historical Society and the FEMA Environmental Planning and Historic Preservation team.



Roosevelt Bridge

Mower County is proposing to rehabilitate the Roosevelt Bridge in Austin. Built in 1934, the bridge is significant for its aesthetic qualities as reflected in the stone masonry work and for it association with the Civil Works Administration, a New Deal federal relief agency. The County is currently developing rehabilitation plans.

Past projects

Silverdale Bridge

silverdale bridge
Silverdale Bridge over Manning Ave (CR 15) in Washington County.



















In the summer of 2011, MnDOT installed the historic Silverdale Bridge as part of the DNR Gateway-Brown’s Creek Trail. The bridge is now known as the Gateway Trail Iron Bridge over Manning Avenue. The Gateway Trail Iron Bridge is a wrought iron truss bridge constructed in 1873 across Main Street in Sauk Center. In 1937, the bridge was dismantled and moved to Hwy 65 in Koochiching County. A new bridge was needed to accommodate heavy logging trucks and modern traffic, so in 2009 the historic bridge was dismantled and stored. Built during the days of the horse and buggy, the bridge will again serve horses, along with pedestrian and bicyclists. Watch videos about the preservation process.



Lester River Bridge

lester river bridge
Lester River Bridge over Hwy 61 in Duluth




















MnDOT rehabilitated the lake side portion of the Lester River Bridge following the partial destruction of the bridge’s railing in 2005. Between June and September, 2010, the upstream portion was completed with funding from the federal enhancement program. Restoration of the bridge included updating the railing to meet modern safety standards while maintaining the bridge’s historic appearance. The bridge has zinc anodes embedded on the top and underside of arch to stop the chemical corrosion cycle for an extended period of time, helping to ensure the historic bridge will be able to serve the driving public for many decades to come. It received an Award of Merit (PDF) in the transportation category in the ICRI 2011 project awards program.



Holmes Street Bridge

holmes street bridge
Holmes Street Bridge over Minnesota River in Shakopee


















In spring of 2010, reconstruction began to convert the Holmes Street Bridge just west of Hwy 101 in Shakopee as a recreation trail for snowmobilers, cross-country skiers and hikers. This work is funded with federal enhancement and stimulus funds. During the development of the Hwy 101 bypass in the late 1980s, the local community and preservationist requested that the historic Holmes Street Bridge be maintained and serve as a pedestrian crossing; therefore, no pedestrian amenities were put on the new Hwy 101 bridge. The bridge is one of the only existing highway deck truss bridge in the state, and also features Neo-Classical Revival details in its railing, concrete parapets, and staircases.