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Ragged Mountain Highway Bridge

Photos 

Ragged Mountain Highway Bridge

Looking NE

Photo taken by Royce and Bobette Haley in June 2014

Enlarge

BH Photo #288408

Map 

Description 

One of three very similar pony plate girder bridges built in 1937-41 to carry NH 104 over the Smith River between Danbury and Bristol. When NH 104 was rerouted on a new alignment in the 1970s, bypassing the other two bridges, this one remained on the mainline highway.

Facts 

Overview
Pony/through plate girder bridge over Smith River on NH 104
Location
Danbury, Merrimack County, New Hampshire
Status
Open to traffic
History
Built 1940, rehabilitated 1991
Design
Pony plate girder
Dimensions
Length of largest span: 96.1 ft.
Total length: 106.0 ft.
Deck width: 31.2 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+43.52866, -71.82317   (decimal degrees)
43°31'43" N, 71°49'23" W   (degrees°minutes'seconds")
Approximate UTM coordinates
19/271866/4823396 (zone/easting/northing)
Quadrangle map:
Danbury
Average daily traffic (as of 2014)
2,800
Inventory number
BH 56332 (Bridgehunter.com ID)
Inspection report (as of May 2016)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 73.7 (out of 100)
View more at BridgeReports.com

Update Log 

  • July 17, 2015: Updated by Roger Deschner: Add description, related bridges
  • July 16, 2015: New photos from Royce and Bobette Haley
  • July 13, 2014: New photos from Royce and Bobette Haley
  • May 24, 2013: Added by Roger Deschner

Related Bridges 

Sources 

  • Roger Deschner - rogerdeschner [at] gmail [dot] com
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com