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276:(8.28 m) wide, with an internal clearance of 14 feet (4.3 m). The road bed is 20 feet (6.1 m) wide and carries two lanes of traffic. The bridge's roof is sheathed in asphalt, and its walls are finished in vertical board siding. The vertical load-bearing trusses are joined by a latticework web at both the ceiling and floor, effectively making the structure into a single box truss. The roadway is asphalt laid on horizontally placed timbers. All of its major interconnection points are reinforced by steel gussets, and crossing and connection points of the trusses are made with steel pins.
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The
Hancock–Greenfield Bridge carries Forest Road (historically known as Old County Road) over the Contoocook River, which forms the border between eastern Hancock and northwestern Greenfield. It is a single-span Teco–Pratt timber truss, 88 feet (27 m) long and 27 feet 2 inches
287:, provided the interconnecting elements, which greatly strengthen the structure, based on plans it had first published in 1935. Construction of these types of bridges was generally supplanted by the more economical steel girder bridges after
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263:. Built in 1937, it is the first wooden covered bridge in the northeastern United States to use modern engineering techniques (in this case, a Teco–Pratt truss). The bridge was listed on the
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Hancock–Greenfield Bridge, Spanning
Contoocook River, Forest Road (formerly Old County Road), Hancock, Hillsborough County, NH
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covered bridge built in 1852. That structure was extensively damaged by flooding in 1936. The Timber
Engineering Company of
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List of bridges documented by the
Historic American Engineering Record in New Hampshire
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National
Register of Historic Places listings in Hillsborough County, New Hampshire
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National
Register of Historic Places listings in Hillsborough County, New Hampshire
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Covered bridges on the
National Register of Historic Places in New Hampshire
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List of bridges on the
National Register of Historic Places in New Hampshire
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National
Register of Historic Places in Hillsborough County, New Hampshire
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Road bridges on the
National Register of Historic Places in New Hampshire
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Francestown Town Hall and Academy and Town Common Historic District
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462:", 7 photos, 9 data pages, 1 photo caption page
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Sainte Marie Roman Catholic Church Parish Historic District
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Nashua Gummed and Coated Paper Company Historic District
387:"County Bridge: Hancock and Greenfield, New Hampshire"
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Historic American Engineering Record in New Hampshire
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List of National Historic Landmarks in New Hampshire
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1210:† This entry has been removed from the registry.
898:Milford Cotton and Woolen Manufacturing Company
414:"NRHP nomination for Hancock–Greenfield Bridge"
624:Nashua Manufacturing Company Historic District
1254:Bridges in Hillsborough County, New Hampshire
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1062:Signer's House and Matthew Thornton Cemetery
634:New Ipswich Center Village Historic District
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279:The bridge was built in 1937, replacing a
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257:New Hampshire Department of Transportation
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35:U.S. National Register of Historic Places
1289:Pratt truss bridges in the United States
751:Grasmere Schoolhouse No. 9 and Town Hall
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259:covered bridge database refers to it as
639:Old County Road South Historic District
599:Goffstown Main Street Historic District
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363:"National Register Information System"
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614:Lyndeborough Center Historic District
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327:List of New Hampshire covered bridges
1294:1937 establishments in New Hampshire
827:Milford Town House and Library Annex
791:Wilton Public and Gregg Free Library
771:Pelham Library and Memorial Building
559:Contoocook Mills Industrial District
554:Bennington Village Historic District
497:National Register of Historic Places
456:Historic American Engineering Record
368:National Register of Historic Places
265:National Register of Historic Places
52:Hancock–Greenfield Bridge, spanning
731:Building at 418–420 Notre Dame Ave.
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501:Hillsborough County, New Hampshire
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1182:Goffstown Covered Railroad Bridge
604:Hancock Village Historic District
549:Amherst Village Historic District
443:Greenfield-Hancock Covered Bridge
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852:US Post Office-Peterborough Main
832:New Hampshire State Union Armory
609:Hollis Village Historic District
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1284:Wooden bridges in New Hampshire
934:Goffstown Congregational Church
776:St. George's School and Convent
336:Hancock-Greenfield Bridge, 2022
817:Hillsborough County Courthouse
649:Victory Park Historic District
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243:carrying Forest Road over the
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944:Peterborough Unitarian Church
893:Kimball Brothers Shoe Factory
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108:Show map of the United States
1192:Hillsborough Railroad Bridge
1067:Gov. John Butler Smith House
1022:Thomas Russell Hubbard House
987:Frank Pierce Carpenter House
389:. NH Dept. of Transportation
16:United States historic place
7:
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924:Bedford Presbyterian Church
629:Nashville Historic District
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1097:William Parker Straw House
1047:Marion Nichols Summer Home
1274:Greenfield, New Hampshire
1244:Bridges completed in 1937
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1197:Milford Suspension Bridge
1187:Hancock–Greenfield Bridge
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992:Amos Chase House and Mill
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517:Franklin Pierce Homestead
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450:Hancock–Greenfield Bridge
253:Greenfield, New Hampshire
247:at the town line between
237:Hancock–Greenfield Bridge
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213:NRHP reference
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83:Show map of New Hampshire
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27:Hancock–Greenfield Bridge
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982:Carpenter and Bean Block
939:Greenfield Meeting House
929:Francestown Meetinghouse
746:Goffstown Public Library
458:(HAER) No. NH-42, "
205:Architectural style
1122:Levi Woodbury Homestead
1087:Gen. George Stark House
842:Peterborough Town House
766:North Weare Schoolhouse
416:. National Park Service
271:Description and history
208:Teco–Pratt timber truss
1269:Hancock, New Hampshire
756:Hills Memorial Library
736:Currier Gallery of Art
689:Harrington-Smith Block
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131:Hancock, New Hampshire
56:, carrying Forest Road
1117:Caleb Whittaker Place
1092:Gen. John Stark House
1052:William Peabody House
972:Jonathan Barnes House
837:New Ipswich Town Hall
761:Hunt Memorial Library
741:Goffstown High School
704:T. L. Thorpe Building
694:Old Post Office Block
445:at Wikimedia Commons
373:National Park Service
335:
158:42.95667°N 71.93472°W
1107:Roger Sullivan House
1037:McClure-Hilton House
903:Mine Falls Gatehouse
822:Manchester City Hall
309:New Hampshire portal
121:Forest Rd. over the
1072:Smith and Dow Block
1012:Hill–Lassonde House
452:at Bridgehunter.com
163:42.95667; -71.93472
154: /
1177:County Farm Bridge
1057:G.O. Sanders House
1027:Killicut-Way House
883:Hillsborough Mills
878:Daniel Cragin Mill
786:Weston Observatory
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177:less than one acre
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1007:Kennedy Hill Farm
997:Alpheus Gay House
919:All Saints Church
888:Hoyt Shoe Factory
807:Bedford Town Hall
726:Brick Schoolhouse
721:Ash Street School
441:Media related to
375:. March 13, 2009.
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862:Wilton Town Hall
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949:Union Chapel
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418:. Retrieved
393:February 14,
391:. Retrieved
381:
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289:World War II
278:
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260:
236:
234:
229:May 05, 1981
1077:Smyth Tower
1032:Lamson Farm
1017:Hills House
967:Abbot House
960:Agriculture
161: /
137:Coordinates
1238:Categories
1169:Structures
1154:Stark Park
871:Industrial
800:Government
667:Commercial
584:District E
579:District D
574:District C
569:District B
564:District A
420:2014-10-28
346:References
281:Long-truss
146:42°57′24″N
127:Greenfield
1218:See also:
1206:Footnotes
912:Religious
714:Education
659:Buildings
541:Districts
509:Landmarks
267:in 1981.
197:Architect
149:71°56′5″W
295:See also
220:81000071
118:Location
249:Hancock
187: (
255:. The
1141:Sites
182:Built
1223:and
395:2011
251:and
235:The
189:1937
185:1937
174:Area
129:and
499:in
215:No.
1240::
403:^
371:.
365:.
354:^
291:.
125:,
706:†
489:e
482:t
475:v
423:.
397:.
191:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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