Seventh Street Improvement Arches
Seventh Street Improvement Arches, Stone arch bridge in Saint Paul, United States.
The Seventh Street Improvement Arches feature a double-arched masonry structure spanning across what was formerly the St. Paul and Duluth Railroad tracks.
Engineer William Truesdell designed this bridge in 1883 to connect downtown St. Paul with Dayton's Bluff neighborhood, replacing an inadequate wooden structure.
The bridge earned recognition from the American Society of Civil Engineers as a Historic Civil Engineering Landmark in 2000 for its technical achievements.
The structure now supports pedestrian pathways and bike trails, including a section of the Bruce Vento Regional Trail leading toward Swede Hollow.
The bridge incorporates gray limestone from local quarries and buff-colored Kasota limestone, demonstrating advanced helicoidal spiral stone-arch engineering techniques.
Location: Saint Paul
Official opening: 1884
Made from material: stone
GPS coordinates: 44.95640,-93.07730
Latest update: March 5, 2025 06:48
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