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{{Infobox NRHP
| name = Ada Covered Bridge
| nrhp_type =
| image = Ada Covered Bridge - Michigan.jpg▼
| location = 7490 Thornapple River Dr SE Ada, MI 49301
| locmapin = Michigan#USA
| built = {{Start date|1867}}
| added = {{dts|1970|2|16}}
| area = {{convert|2|acre|ha}}
| architect = Josiah Brown Jr.
| architecture = [[Brown truss]] [[Covered bridge]]
| refnum = 70000275<ref name=NRIS>{{NRISref|2009a}}</ref>
| designated_other1 = Michigan State Historic Site
| designated_other1_link = Michigan State Historic Preservation Office
| designated_other1_date = December 8, 1977
| designated_other1_num_position = bottom
}}
{{Infobox Bridge
| bridge_name =
▲| image = Ada Covered Bridge - Michigan.jpg
▲| caption = Upstream view from observation deck in park.
| carries = Fase/Bronson St. (footpath)
| crosses = [[Thornapple River]]
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| length = 125 ft
| width = one lane
| open = 1867
| material = Douglas Fir
| rebuilt = December 1980
| closed = still open, foot traffic only
|website = [http://adamichigan.org/township/departments/parks-recreation/parks/leonard-park Leonard Park]
▲| coordinates = {{coord|42.952477|-85.486325|display=inline,title}}
}}
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The '''Ada Covered Bridge''' is a {{convert|125|ft|m|
== Design ==
The bridge uses the Brown truss system, consisting of diagonal compression beams and almost vertical [[tension member]]s (slanting in at the top toward the center of the span)
[[File:Ada Michigan Covered Bridge downstream underside DSCN9708.JPG|thumb|left|250px|Underside view, showing truss ends protruding from the sheathing.]]▼
[[File:Ada Michigan Covered Bridge InteriorDSCN9711.JPG|thumb|250px|left|Inside, showing [[Brown truss]] stringers.]]▼
▲The bridge uses the Brown truss system, consisting of diagonal compression beams and almost vertical [[tension member]]s (slanting in at the top toward the center of the span) was patented by [[Josiah Brown]] of Buffalo, New York in 1857. A timber bearing Brown's name was discovered during repair work carried out in 1913.<ref name="Marker">Historical marker data, from [http://www.michigan.org/travel/detail.asp?m=2&p=B5658 marker detail] page on michigan.org site, accessed October 09, 2006</ref>
The bridge is {{convert|125|ft|m}} long, and originally rested on wooden pilings. As is typical for covered bridges, its gabled roof is covered with creosote shingles.
== History ==
[[File:Ada Micdickhigan CoveredBridge Plaque DSCN9702.JPG|right|thumb|200px|Historical Marker at the site.]]▼
The [[Michigan State Legislature]] authorised Ada Township to borrow up to [[United States dollar|$]]3,000 for building or maintaining bridges in the area. Construction of this bridge, also known as the "Bradfield Bridge" was carried out in 1867 by William Holmes.
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In 1941 the Kent County Road Commission and the [[Works Progress Administration]] made extensive restorations, re-roofing the bridge with new protective creosote shingles and replacing many of its decayed underlying supports with new beams. The Road Commission purchased a nearby barn to supply wood for replacement of badly deteriorated elements.<ref>synthesised from [http://www.wmta.org/coveredbridges/ada_bridge.html wmta.org] {{webarchive |url=https://web.archive.org/web/20060508205329/http://www.wmta.org/coveredbridges/ada_bridge.html |date=May 8, 2006 }} and [http://www.relocate-america.com/states/mi/cities/ada.htm Ada page] {{webarchive |url=https://web.archive.org/web/20061024002542/http://www.relocate-america.com/states/mi/cities/ada.htm |date=October 24, 2006 }} on relocate-america.com site, accessed October 09, 2006</ref>
The bridge was listed with the Michigan State Register on May 9, 1969, and with the National Register on February 16, 1970. It was awarded a Michigan Historical Marker (site L0075) on August 28, 1974.<ref>marker data from {{usurped|1=[https://web.archive.org/web/20070313033505/http://www.michmarkers.com/startup.asp?startpage=L0075.htm L0075]}} page on michmarkers.com site, accessed October 09, 2006</ref> It is one of four existing publicly owned covered bridges in Michigan.<ref name="Relocate">from [http://www.relocate-america.com/states/mi/cities/ada.htm Ada page] {{webarchive |url=https://web.archive.org/web/20061024002542/http://www.relocate-america.com/states/mi/cities/ada.htm |date=October 24, 2006 }} on relocate-america.com site, accessed October 09, 2006</ref>
In 1979 the roof collapsed due to heavy snow, and the bridge was restored using funds raised by private donations. Shortly after the repairs were finished, the bridge was completely destroyed by fire. The citizens again rallied, this time with the help of the [[Amway|Amway corporation]], headquartered in Ada, and rebuilt it once again. The replica bridge, now resting on concrete abutments, is {{convert|14|ft|m}} wide and {{convert|125|ft|m}} long.
The bridge is now open only to pedestrian traffic and connects the Village of Ada on one side of the Thornapple River with a park on the other side. It is maintained by the Kent County Park system.<ref name="WMTA" /><ref name="Relocate" />
==Images==
<gallery mode="packed">
▲
▲
▲
</gallery>
== See also ==
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*{{Commons category-inline|Ada Covered Bridge}}
* [https://maps.google.com/maps?hl=en&ie=UTF8&om=1&z=18&ll=42.952477,-85.486325&spn=0.002843,0.004517&t=h Aerial view of the Ada Covered Bridge]
* {{Structurae|
{{Authority control}}
[[Category:
[[Category:Buildings and structures in Kent County, Michigan]]▼
[[Category:Bridges completed in 1867]]
[[Category:Pedestrian bridges in Michigan]]
[[Category:Covered bridges on the National Register of Historic Places in Michigan]]
[[Category:Burned buildings and structures in the United States]]
[[Category:Fires in Michigan]]
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[[Category:National Register of Historic Places in Kent County, Michigan]]
[[Category:Road bridges on the National Register of Historic Places in Michigan]]
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