Rating:
3 votes

Henniker Road Covered Bridge 29-07-62x

Merrimack County, New Hampshire

Photos 

Historical American Buildings Survey L. C. Durette, Photographer May 15, 1936. View Looking North West

Photo taken by L. C. Durette for the Historic American Buildings Survey

View photos at Library of Congress

BH Photo #281405

Map 

Description 

In May 1863 the town voted to build a wooden bridge over the Contoocook river on the road to Henniker. The bridge was damaged in the freshets of 1935 and demolished the following year after a new bridge was built just north of it.

-- Historic American Buildings Survey

Facts 

Overview
Lost Covered Briggs lattice truss bridge over Contoocook River on Old Route 9 & 202
Location
Hopkinton, Merrimack County, New Hampshire
Status
Replaced
History
Built 1862 Replaced 1936
Builder
- John C. Briggs
Design
Briggs Truss
Dimensions
Total length: 180.0 ft.
Deck width: 17.0 ft.
Also called
Henniker New Covered Bridge
Approximate latitude, longitude
+43.18165, -71.75149   (decimal degrees)
43°10'54" N, 71°45'05" W   (degrees°minutes'seconds")
Approximate UTM coordinates
19/276386/4784663 (zone/easting/northing)
Quadrangle map:
Henniker
Inventory numbers
WGCB 29-07-62x (World Guide to Covered Bridges number)
BH 60631 (Bridgehunter.com ID)

Categories 

19th Century (9,794)
Briggs Truss (1)
Built 1862 (61)
Built during 1860s (760)
Contoocook River (26)
Covered (3,481)
HABS documented (20)
Have street view (30,587)
Hopkinton, New Hampshire (2)
John C. Briggs (1)
Last of its kind (34)
Lattice through truss (796)
Lattice truss (833)
 Lost (32,302)
Lost 1936 (156)
Lost during 1930s (1,324)
Merrimack County, New Hampshire (110)
New Hampshire (786)
Owned by township (3,663)
Replaced by new bridge (22,014)
Through truss (19,311)
Total length 175-250 feet (4,714)
Truss (38,697)
West Hopkinton, New Hampshire (1)
Wooden deck (6,278)

Update Log 

  • July 7, 2017: New Street View added by Dana and Kay Klein
  • December 9, 2015: Updated by Erik Hoffman: Added category "Last of its kind"
  • January 4, 2015: Updated by Will Truax: Corretcted multiple errors repeated from the HABS report
  • December 28, 2014: Updated by Will Truax: Corrected design description & Trruss type
  • April 9, 2014: Added by Dave King

Sources 

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Comments 

Henniker Road Covered Bridge 29-07-62x
Posted January 5, 2015, by Fmiser (fmiser [at] gmail [dot] com)

Nice work Will! I was unaware of the Briggs truss. Thanks for bringing it to light.

Henniker Road Covered Bridge 29-07-62x
Posted January 4, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I recently corrected multiple errors on this data page.

Some may have interest in this bridge in that it is the sole recorded example of a no longer existing patent truss type.

Background information including a link to the patent office records can be found here >

https://bridgewright.wordpress.com/2014/12/31/briggs-the-man...