Omaha Road Bridge Number 15

Omaha Road Bridge Number 15

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Omaha Road Bridge Number 15

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Description:
Omaha Road Bridge Number 15 is a swing bridge that spans the Mississippi River in St. Paul, Minnesota.

It was built in 1915 <!-- the counterweight displays the date "1915". It is possible that it wasn't completed until 1916 -->by the Chicago, St. Paul, Minneapolis and Omaha Railway (Omaha Road), though it, and the line from St. Paul to Mendota, was jointly owned with the Chicago, Milwaukee and St. Paul Railway.

The bridge was designed by I.F. Stern of Chicago. It is unusually shaped, because the swing span is asymmetrical. According to local legend, the original bridge design had equal length spans on either side of the center pivot. Once the bridge was completed, the owner of the property on the south side of the river did not want the swing span crossing his land. In response, the owner removed most of the south end of the swing span and added a concrete counterweight to compensate for the lost material.

Legends aside, the reason for the "bobtail" configuration of the bridge is that the section of the river deep enough for navigation at that point is not wide enough to accommodate a full-sized swing bridge. The counterweight is necessary to keep both ends of the bridge in balance over the center pier, which is near the right descending bank. While the legend may be an appealing one, it cannot withstand the fact that no qualified bridge engineer would lavish the material and effort required to build a swing span over land.

The bridge forces barge...
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