Soo Line High Bridge, Railway bridge in Somerset and Stillwater, United States.
The Soo Line High Bridge spans the St. Croix River with five steel arches extending 2,682 feet and rising 184 feet above the water level.
Construction of this steel arch viaduct began in 1910 and concluded in 1911, replacing an 1884 bridge that presented grade challenges for train operations.
The bridge earned recognition on the National Register of Historic Places in 1977 for its engineering achievements and role in regional transportation development.
The structure carries Canadian National Railway traffic, with approximately six trains crossing daily between Minnesota and Wisconsin over the St. Croix River.
Engineer C.A.P. Turner incorporated special concrete chutes and cantilevered spans during construction to overcome the challenges of the remote location.
Location: Somerset
Location: Stillwater
Inception: 1910s
Architects: C.A.P. Turner
Length: 817 m
GPS coordinates: 45.12269,-92.74388
Latest update: May 12, 2025 09:07
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