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Beckman Bridge

Beckman Bridge

Primary Photographer(s): Doug Mills

Bridge Documented: January 15, 2013

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Key Facts

Facility Carried / Feature Intersected
County Line Road Over West Branch Sturgeon River
Location
Rural: Baraga County, Michigan and Houghton County, Michigan: United States
Structure Type
Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
By Builder/Contractor: Continental Bridge Company of Chicago and Peotone, Illinois

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
96 Feet (29 Meters)
Structure Length
136 Feet (41 Meters)
Roadway Width
16 Feet (4.88 Meters)
Spans
1 Main Span(s) and 2 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge and the road it carried has been closed to traffic since the early 1950s and is a hidden treasure. The bridge is 17 feet wide center to center of trusses and the truss height is 16.5 feet. The bridge has a 20 foot steel stringer approach span at each end. The bridge has an intact concrete jack-arch deck. The concrete is overlaid with an asphalt wearing surface. Illinois steel brands are present on the bridge. The bridge is a traditionally composed example of an early 20th Century pin-connected truss bridge, and as such a late example of this truss type. It is significant as one of the few remaining through truss highway bridges in Michigan's Upper Peninsula. Further, it is one of only two surviving examples of bridges in Michigan built by the Continental Bridge Company. This company had offices in the Monadnock Block (today called the Monadnock Building) in Chicago. The Monadnock Building was home to a number of bridge companies and engineers. The company works was located at Peotone, Illinois.

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Photo Galleries and Videos: Beckman Bridge

 
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Bridge Photo-Documentation
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A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
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Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Beckman Bridge

Coordinates (Latitude, Longitude):
46.801070,-88.678980

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