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Pentoga Road Bridge

   


Pentoga Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 2012
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Key Facts

Facility Carried / Feature Intersected
Pentoga Road (Cherry Avenue) Over Brule River
Location
Pentoga: Iron County, Michigan and Florence County, Wisconsin
Construction Date and Builder / Engineer
1924 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1988
Main Span Length
60 Feet (18.2 Meters)
Structure Length
64 Feet (19.5 Meters)
Roadway Width
16 Feet (4.9 Meters)
Spans
1 Main Span(s)
NBI Number
4197

Historic Significance Rating (HSR)

Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This bridge is a traditionally composed example of a rivet-connected Warren pony truss situated on the state line. In this region, both in the contexts of Michigan and Wisconsin, the bridge type is locally rare. This bridge appears to have been closed for a number of years (many maps show the road as not crossing the river) but it is open to traffic today. Some unusual cable stays have been added into the truss web as alterations, and these may have been added to reopen the bridge to traffic. Despite the alterations, the bridge remains a noteworthy example of its type in this region, given that so few truss bridges remain here.

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Photos and Videos: Pentoga Road Bridge

Available Photo Galleries and Videos

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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. For the best visual immersion and full detail, or for use as a desktop background, this gallery presents the photos for this bridge in the original digital camera resolution.
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Bridge Photo-Documentation
Mobile Optimized Gallery
A collection of overview and detail photos. View the photos for this bridge in a reduced size which is useful for mobile/smartphone users, modem (dial-up) users, or those who do not wish to wait for the longer download times of the full-size photos. Alternatively, view this photo gallery using a popup slideshow viewer (great for mobile users) by clicking the link below.
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View Video
Entering Wisconsin On Bridge
Full Motion Video
Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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