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Turner Road Bridge

Turner Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: March 1, 2007

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Key Facts

Facility Carried / Feature Intersected
Turner Road Over Grand River
Rural: Ionia County, Michigan: United States
Construction Date and Builder / Engineer
1910 By Builder/Contractor: Wynkoop and McGormley of Toledo, Ohio

Technical Facts

Rehabilitation Date
Main Span Length
202 Feet (62 Meters)
Structure Length
208 Feet (63 Meters)
Roadway Width
19 Feet (5.79 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

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

View the Historic Bridge Inspection File For This Bridge

There are only three through Parker truss bridges remaining in Michigan, and this is one. The other two are the Kent Street Bridge and the Upton Road Bridge. The Parker truss is a modification of the Pratt design, where the top chord was polygonal instead of constantly parallel to the bottom chord. This Turner Road bridge is similar, although not the same, as the somewhat nearby Kent Street Bridge. Turner Road retains a higher degree of integrity and aesthetic beauty than Kent Street. The Turner Road Bridge was built by Wynkoop & McGormley of Toledo, Ohio the same firm that built the Kent Street Bridge three years earlier. They were agents of the Toledo-Massillon Bridge Company. The portal bracing is perhaps the most obvious difference in construction between Kent Street and Turner Street. They are the same design, but the Turner Road portal bracing is a bit smaller.

The Turner Road Bridge is pin connected, and has a concrete deck, which is deteriorating. The bridge sits on concrete abutments. Original lattice guardrails are present on the bridge. The bridge is comprised of nine panels. V-lacing on the bridge is extensive: on the vertical members, under the top chord, and on the sway bracing.

This bridge looks to be in decent structural condition, and it should be restored. However, after seeing what happened with the Kent Street Bridge, it is important to stipulate that the original railings be retained, and also that the bridge be restored here in its original, scenic location. Its location in a state game area makes it a great candidate for restoration, since it is already in a public park-like setting. Since it is one of only three remaining through Parker trusses, their statewide rarity is comparable to the overrated wooden covered bridges.


Photo Galleries and Videos: Turner Road Bridge

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Pre-2009 Photo-Documentation
A collection of overview and detail photos taken before 2009. 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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Post-2009 Photo-Documentation
Original / Full Size Photos
Additional overview and detail photos taken after 2009. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
Post-2009 Photo-Documentation
Mobile Optimized Photos
Additional overview and detail photos taken after 2009. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer


Maps and Links: Turner Road Bridge

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