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Portland Railroad Bridge

Portland Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: Summer 2005

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Key Facts

Facility Carried / Feature Intersected
Railroad (Rail-Trail) Over Grand River
Location
Portland: Ionia County, Michigan: United States
Construction Date and Builder / Engineer
1899 By Builder/Contractor: Detroit Bridge and Iron Works of Detroit, Michigan

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
165 Feet (50 Meters)
Structure Length
330 Feet (101 Meters)
Roadway Width
15 Feet (4.57 Meters)
Spans
2 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This is a two span pin connected Pratt through truss bridge, a railroad bridge converted into part of a rail-trail. The truss structure retains excellent historic integrity and appears complete and unaltered. V-lacing is on the verticals, and under the upper chord. The sway bracing is latticed. These features of the built-up beams enhance the attractive appearance of the structure. As a rail bridge, the bridge carried one set of tracks. The railroad it once carried is gone, and the bridge has been redone for pedestrian use. Work done on the bridge only appears to have involved re-decking the bridge for pedestrian use and adding cyclone fence railings.

As funds become available in the future it would be nice to see the bridge repainted, perhaps with a brighter color than black to make the details of the truss stand out better. As future funding might allow, it would also be nice to see the cyclone fence railings replaced with something a little more elegant and less visually obstructive.

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Photo Galleries and Videos: Portland Railroad Bridge

 
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Bridge Photo-Documentation
A collection of overview and detail photos. This photo gallery contains a combination of Original Size photos and Mobile Optimized photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Portland Railroad Bridge

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