| 词条 | Boone Bridge 2 |
| 释义 |
| name = Boone Bridge 2 | nrhp_type = | image = BooneBridge2.JPG | caption = | location = 1000 200th St. over the Des Moines River | nearest_city = Boone, Iowa | coordinates = {{coord|42|03|47|N|93|58|13|W|display=inline,title}} | locmapin = Iowa#USA | built = 1910 | demolished = 2016 | builder = Iowa Bridge Company | architect = | architecture = Pennsylvania truss Pratt truss | added = June 25, 1998 | area = less than one acre | governing_body = Local | mpsub = Highway Bridges of Iowa MPS | refnum = 98000765[1] }}Boone Bridge 2, also known as the Wagon Wheel Bridge, is a historic structure that was located west of Boone, Iowa, United States. It spanned the Des Moines River for {{convert|703|ft|m}}.[2] The Boone Commercial Association and the Boone County Board of Supervisors disagreed over the location of a new wagon bridge over the river. The county wanted the new bridge west from Eighth Street in Boone, closer to the Chicago and North Western Railroad's Boone Viaduct. The businessmen wanted to rebuild the Incline Bridge. The dispute was resolved when the Commercial association offered to buy the Incline Bridge. The county contracted with the Iowa Bridge Company to design and build the bridge, which was completed in 1910 for $77,900.[2] The bridge consisted of a long-span Pennsylvania truss over the main channel of the river and three Pratt trusses over the floodplain. It was listed on the National Register of Historic Places in 1998.[1] In March 2016, a span of the bridge collapsed into the Des Moines River after ice from a broken ice jam damaged one of the piers.[3] The bridge was demolished in June 2016.[4] References1. ^1 {{NRISref|2009a}} {{National Register of Historic Places}}{{NRHP in Boone County, Iowa}}{{Iowa-NRHP-stub}}{{Iowa-bridge-struct-stub}}2. ^1 {{cite web|url={{NRHP url|id=98000765}}|title=Boone Bridge 2|publisher=National Park Service|accessdate=2016-03-08|author=Clayton B. Fraser}} with {{NRHP url|id=98000765|photos=y|title=photos}} 3. ^{{cite news|url=http://whotv.com/2016/03/10/100-year-old-historic-bridge-over-des-moines-river-collapses/|title=100-Year-Old Historic Bridge over Des Moines River Collapses|publisher=WHO-TV|location=Des Moines|date=March 10, 2016|accessdate=2016-06-26|author=Staff Writer}} 4. ^{{cite news|url=http://whotv.com/2016/06/13/boone-county-to-remove-damaged-bridge-from-the-des-moines-river/|title=Boone County To Remove Damaged Bridge from the Des Moines River|publisher=WHO-TV|location=Des Moines|date=June 13, 2016|accessdate=2016-06-26|author=Roger Riley}} 8 : Bridges completed in 1910|Road bridges in Iowa|Bridges in Boone County, Iowa|Truss bridges in Iowa|Road bridges on the National Register of Historic Places in Iowa|National Register of Historic Places in Boone County, Iowa|Metal bridges in the United States|Pennsylvania truss bridges in the United States |
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