| 词条 | Lake Shore Drive Bridge (Michigan) |
| 释义 |
|bridge_name= Lake Shore Drive Bridge |image= Lake Shore Drive Bridge.JPG |image_size= |alt= |caption= |official_name= |other_name= M-26 Bridge Eagle River Bridge |carries= Pedestrians |crosses= Eagle River |locale= Eagle River, Michigan |owner= |maint= |id= 42142021000B030 |architect= |designer= Michigan State Highway Department |engineering= |design= |material= Steel |length= {{convert|139|ft|m}} |width= {{convert|18|ft|m}}[1] |height= |mainspan= {{convert|105|ft|m}} |spans= 3 |pierswater= |load= |clearance= |below= |life= |builder= Wisconsin Bridge and Iron Company |fabricator= |begin= |complete= 1915 |cost= |open= |inaugurated= |traffic= |preceded= |followed= Eagle River Timber Bridge |heritage= Michigan State Historic Site Designated: May 10, 1990 |collapsed= |closed= |replaces= |map_cue= |map_image= |map_alt= |map_text= |map_width= |coordinates= {{coord|47.4125|-88.2967|region:US-MI_type:landmark|display=inline,title}} |references= |extra= }} The Lake Shore Drive Bridge, also known as the M-26 Bridge[1] or the Eagle River Bridge,[2] is a pedestrian bridge in Eagle River, Michigan, crossing the Eagle River. It carried highway M-26 over the river from 1915 until 1990, when the adjacent Eagle River Timber Bridge replaced it for automobile traffic. The Lake Shore Drive Bridge is listed as a Michigan State Historic Site and is a contributing property of the Eagle River Historic District. HistoryConstructionOriginally located on the site was a Pratt through truss bridge, which by 1915 had deteriorated sufficiently to warrant replacement. The new bridge was designed by the Michigan State Highway Department under a system of standardized bridge plans provided to local communities on request. The Lake Shore Drive Bridge was constructed by the Wisconsin Bridge and Iron Company of Milwaukee, and was completed in 1915. The concrete abutments were made by the Smith-Byers-Sparks Company from Houghton, Michigan.[1] The Lake Shore Drive Bridge was one of two bridges built simultaneously over the Eagle River, the other located in Phoenix, Michigan.[1] The bridge is a contributing property of the Eagle River Historic District, listed on the National Register of Historic Places on September 13, 1984.[3] ReplacementIn 1990, the adjacent Eagle River Timber Bridge opened for traffic and the Lake Shore Drive Bridge was relegated to pedestrian traffic. The Lake Shore Drive Bridge was listed as a Michigan State Historic Site on May 10, 1990, and an informational marker was erected in 1991.[1] 2007 inspectionThe collapse of the I-35W Mississippi River bridge, a continuous deck truss,[8] in Minneapolis on August 1, 2007, prompted inspections of bridges of similar construction. Four bridges of this type were identified in Michigan, including the Lake Shore Drive Bridge.[4] The bridge was inspected on August 6, 2007,[4][5] and was determined to be safe.[6] ArchitectureThe bridge is a Warren deck truss and continuous deck truss[6] made of riveted steel. The {{convert|139|ft|m|adj=on}} bridge has three spans: a main span of {{convert|105|ft|m}} flanked by two {{convert|34|ft|m|adj=on}} spans. The guard rails are made of woven steel lattice.[1] See also
References1. ^1 2 3 4 5 {{cite web|author=Staff |title=Lake Shore Drive Bridge |url=http://www.mcgi.state.mi.us/hso/sites/8218.htm |work=State Historic Preservation Office |publisher=Michigan State Housing Development Authority |accessdate=December 31, 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20120612201757/http://www.mcgi.state.mi.us/hso/sites/8218.htm |archivedate=June 12, 2012 |df= }} 2. ^{{cite web |first= C. |last= Hanchey |date= August 8, 2011 |title= Lake Shore Drive Bridge |url= http://bridgehunter.com/mi/keweenaw/lake-shore-drive/ |work= BridgeHunter.com: Historic Bridges of the US |accessdate= January 1, 2012}} 3. ^{{cite document |author=J.M. Davis |date=September 13, 1984 |work=National Register of Historic Places |title=NRHP Nomination: Eagle River Historic District (including accompanying 12 photos, from 1983) |publisher=National Park Service |url=https://catalog.archives.gov/id/25339757 |pages=8, 11}} 4. ^1 {{cite report |first= Frank E. |last= Kelley |title= Minutes: Michigan State Transportation Commission Meeting |url= http://michigan.gov/documents/mdot/MDOT_TransComm_Minutes_08232007_210275_7.pdf |format= PDF |publisher= Michigan State Transportation Commission |accessdate= December 31, 2011 |location= Lansing, Michigan |date= August 23, 2007}} 5. ^{{cite news |last= Gould |first= Karen |title= Area Bridges Deemed Safe |url= http://www.stignacenews.com/news/2007-08-09/front_page/003.html |accessdate= December 31, 2011 |newspaper= St. Ignace News |date=August 9, 2007}} 6. ^1 2 {{cite press release |first= James |last= Lake |title= MDOT says M-26 Eagle River Bridge and state's three other continuous deck truss bridges are safe |url= http://www.michigan.gov/mdot/0,4616,7-151-9620_11057-173540--,00.html |publisher= Michigan Department of Transportation |accessdate= January 1, 2012 |date=August 7, 2007}} External links{{commonscat-inline|Lake Shore Drive Bridge}} 7 : Pedestrian bridges in Michigan|Michigan State Historic Sites in Keweenaw County|Transportation in Keweenaw County, Michigan|Steel bridges in the United States|Warren truss bridges in the United States|Buildings and structures in Keweenaw County, Michigan|Historic district contributing properties in Michigan |
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