哈佛桥

哈佛桥
哈佛桥
	从剑桥一侧眺望哈佛桥(2017)
坐标	42°21′16″N 71°05′29″W / 42.35457°N 71.09132°W
承载	2A号麻萨诸塞州州道
跨越	查尔斯河
地点	美国波士顿–剑桥
维护单位	马萨诸塞州交通部
编号（英语：National Bridge Inventory）	B160124EYDOTNBI
设计参数
桥型	驼峰梁桥（英语：Girder bridge）
建筑材料	钢
全长	2,164.8英尺（387.72 sm；659.82米） (道路); 364.4 斯穆特 ± 一个耳朵 (620 m) (斯托罗车道（英语：Storrow Drive）至剑桥的人行道)
宽度	69.3英尺（12.42 sm；21.13米）; 52英尺（9.3 sm；15.8米） (道路)
跨数	25
桥墩数	24
历史
开工日	1887
完工日	1891
开通日	1891年9月1日，133年前, 1990
关闭日	1983 (为修理而临时关闭)
统计
日交通量	49,000（2005）
地图
	<mapframe>: JSON 内容不是有效的GeoJSON+simplestyle。下面的列表显示了根据 JSON模式解析它的所有尝试。并非所有都是错误。 /0/ids：Does not match the regex pattern ^Q[1-9]\d{0,19}(\s,\sQ[1-9]\d{0,19})$; /0/ids：String value found, but an array is required; /0/ids：Failed to match exactly one schema; /0/title：The property title is required; /0/service：Does not have a value in the enumeration ["page"]; /0：Failed to match exactly one schema; /0/geometries：The property geometries is required; /0/type：Does not have a value in the enumeration ["GeometryCollection"]; /0/type：Does not have a value in the enumeration ["MultiPolygon"]; /0/type：Does not have a value in the enumeration ["Point"]; /0/type：Does not have a value in the enumeration ["MultiPoint"]; /0/type：Does not have a value in the enumeration ["LineString"]; /0/type：Does not have a value in the enumeration ["MultiLineString"]; /0/type：Does not have a value in the enumeration ["Polygon"]; /0/coordinates：The property coordinates is required; /0/geometry：The property geometry is required; /0/type：Does not have a value in the enumeration ["Feature"]; /0/features：The property features is required; /0/type：Does not have a value in the enumeration ["FeatureCollection"]; /1/ids：Does not match the regex pattern ^Q[1-9]\d{0,19}(\s,\sQ[1-9]\d{0,19})$; /1/ids：String value found, but an array is required; /1/ids：Failed to match exactly one schema; /1/title：The property title is required; /1/service：Does not have a value in the enumeration ["page"]; /1：Failed to match exactly one schema; /1/geometries：The property geometries is required; /1/type：Does not have a value in the enumeration ["GeometryCollection"]; /1/type：Does not have a value in the enumeration ["MultiPolygon"]; /1/type：Does not have a value in the enumeration ["Point"]; /1/type：Does not have a value in the enumeration ["MultiPoint"]; /1/type：Does not have a value in the enumeration ["LineString"]; /1/type：Does not have a value in the enumeration ["MultiLineString"]; /1/type：Does not have a value in the enumeration ["Polygon"]; /1/coordinates：The property coordinates is required; /1/geometry：The property geometry is required; /1/type：Does not have a value in the enumeration ["Feature"]; /1/features：The property features is required; /1/type：Does not have a value in the enumeration ["FeatureCollection"];

哈佛大桥（Harvard Bridge）是一座钢制驼峰梁桥（英语：Girder bridge），哈佛桥横跨查尔斯河，桥上的道路为马萨诸塞大道（2A号公路（英语：Massachusetts Route 2A）），连接波士顿后湾和马萨诸塞州剑桥。它是查尔斯河上最长的桥梁，该桥全长659.82米（2,164.8英尺；387.72斯穆特；659.82米）。1887年至1891年间，波士顿和剑桥共同修建了这座大桥^[5]。该桥以哈佛大学创始人约翰·哈佛的名字命名。

参考资料

^ ^1.0 ^1.1 Structurae数据库中Harvard Bridge的数据
^ ^2.0 ^2.1 Department of Conservation and Recreation（英语：Department of Conservation and Recreation） National Bridge Inventory（英语：National Bridge Inventory）. Place Name: Boston, Massachusetts; NBI Structure Number: 417208078401120; Facility Carried: Route 2A; Feature Intersected: Charles River. Nationalbridges.com (Alexander Svirsky). 2012 [March 28, 2012]. （原始内容存档于2018-12-05）.
^ ^3.0 ^3.1 HAER, p.4
^ Alger & Matthews 1892，第15页.
^ HAER, p. 3

参考文献

Alger, Alpheus B.; Matthews, Nathan Jr., Harvard Bridge: Boston to Cambridge, March 1892, Boston, Massachusetts: Rockwell and Churchill, 1892 [2009-04-10], （原始内容存档于2021-07-28）

[structurae-1] 1.0 ^1.1 Structurae数据库中Harvard Bridge的数据

[nbi-2] 2.0 ^2.1 Department of Conservation and Recreation（英语：Department of Conservation and Recreation） National Bridge Inventory（英语：National Bridge Inventory）. Place Name: Boston, Massachusetts; NBI Structure Number: 417208078401120; Facility Carried: Route 2A; Feature Intersected: Charles River. Nationalbridges.com (Alexander Svirsky). 2012 [March 28, 2012]. （原始内容存档于2018-12-05）.

[haer4-3] 3.0 ^3.1 HAER, p.4

[FOOTNOTEAlgerMatthews189215-4] Alger & Matthews 1892，第15页.

[haer3-5] HAER, p. 3

[5]

[1]

[2]

[3]

[4]