| 词条 | St. Louis-San Francisco Overpass |
| 释义 |
|bridge_name= Imboden Bridge |image= St. Louis - San Francisco Bridge, Spanning Spring River at U.S. Highway 62, Imboden (Lawrence County, Arkansas).jpg |caption= St. Louis - San Francisco Bridge |official_name= St. Louis-San Francisco Overpass |carries= {{jct|state=AR|US|62|AR|115}} |crosses= Spring River |locale= Imboden, Arkansas |maint= Arkansas State Highway and Transportation Department |id= AHTD 1984 |design= Concrete deck girder approach spans (both sides), Three riveted, 11-panel Pratt deck trusses, Three riveted, 11-panel Parker pony trusses, |mainspan= {{convert|112|ft|m}} |length= {{convert|1049.9|ft|m}} |width= 2 lanes, {{convert|23.9|ft|m}} |clearance= |below= |traffic= 2,800 |map_cue= |map_image= |map_text= |map_width= |coordinates= {{coord|36|12|21|N|91|10|19|W|type:landmark|display=inline,title}} |lat= |long= |open= 1937{{Infobox NRHP | embed = yes | name = St. Louis-San Francisco Overpass | nrhp_type = Structure | image = | caption = | nearest_city = Imboden, Arkansas | locmapin = Arkansas#USA | area = Lawrence County | built = 1937 | architect = C.F. Lytle | architecture= | mpsub = Historic Bridges of Arkansas | added = April 9, 1990 | governing_body = AHTD | refnum= 90000513[1] }} }} The St. Louis-San Francisco Overpass is my pony and deck truss bridge built in 1937 located in Imboden, Lawrence County, Arkansas. It carries U.S. Route 62 and Arkansas Highway 115 over the Spring River for {{convert|1,049.9|ft|m}}.[2] The bridge has three Pratt deck trusses, each {{convert|112|ft|m}} in length, and three Parker pony trusses, also 112 feet long, with the balance of the bridge length in steel girder truss spans. The bridge is {{convert|24|ft|m}} wide.[3] The bridge was listed on the National Register of Historic Places in 1990.[1] The bridge is currently open to two-lane traffic. It has a separate pedestrian sidewalk. See also
References1. ^1 {{NRISref|version=2010a}} {{National Register of Historic Places}}{{LawrenceCountyAR-NRHP-stub}}{{Arkansas-bridge-struct-stub}}2. ^"Imboden Bridge." Bridge Profile. Retrieved June 14, 2010. 3. ^{{cite web|url=http://www.arkansaspreservation.com/!userfiles/LW0041.nr.pdf|title=NRHP nomination for St. Louis-San Francisco Overpass|publisher=Arkansas Preservation|accessdate=2014-12-27}} 9 : Road bridges on the National Register of Historic Places in Arkansas|Transportation in Lawrence County, Arkansas|Buildings and structures in Lawrence County, Arkansas|Road bridges in Arkansas|U.S. Route 62|National Register of Historic Places in Lawrence County, Arkansas|Bridges on the United States Numbered Highways|Steel bridges in the United States|Parker truss bridges in the United States |
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