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McDermott or Granger, Sullivan County

If you find errors in the data please contact Bill Caswell.

If you would like to provide information on covered bridges that no longer exist from your state, or adopt a state to work on, we would certainly welcome your assistance. Please contact Trish Kane for more information.

Inventory Number: NH/29-10-06
State of New Hampshire Number: 18
County: Sullivan County
Township: Langdon
Town/Village:
Bridge Name: McDermott or Granger
Crosses: Cold River
Truss type: Town & Arch
Spans: 1
Length: 86'
Roadway Width:
Built: 1869
Builder: Albert S. Granger
When Lost: standing
Cause:
Latitude: N43 10.186
Longitude: W072 20.744
See a map of the area
Topographic map of the area
Directions: 1.3 miles north of jct NH12A/123 on NH123A, then 0.1 miles left on Crane Brook Rd. on the east side on a bypassed section of road.

McDermott Bridge, Langdon, NH (Built 1869)
Richard E. Roy Collection

McDermott Bridge, Langdon, Sullivan County, NH Built 1869
Bill Caswell Photo (1984)

McDermott Bridge, Langdon, Sullivan County, NH Built 1869
Bill Caswell Photo, March 10, 2007

McDermott Bridge, Langdon, Sullivan County, NH Built 1869
Bill Caswell Photo, June 10, 2018

McDermott Bridge, Langdon, Sullivan County, NH Built 1869
Bill & Jenn Caswell Photo, June 10, 2018

Comments:
Three bridges previously stood on this site. They were built in 1790, 1814, and 1840 and were all of the pole and plank type. The current bridge was built in 1869. A number of sources indicate that it’s design was patented by Sanford Granger in 1833 but no evidence of a truss patented by Granger is presently known. Sanford Granger owned a sawmill on Fall Mountain Brook from 1838 until 1851. Virgin timber removed from the mountain was used in the construction of his bridges. The current structure was built by his son Albert S. Granger. In 1961, an estimate of $7,000 was given to the town for the restoration of the bridge. The town was to pay $2,100 and the state $4,900. However, the town decided to establish a sinking fund to pay for building a modern bridge which was built downstream in 1964 under the Town Bridge Aid Program. The covered bridge was closed to vehicular traffic and retained for historic reasons. The structure is also known as the Cold River Bridge. The McDermott Bridge is listed on the National Register of Historic Places.

Sources:
Marshall, Richard G.. New Hampshire Covered Bridges : A Link With Our Past, 1994, page 35
National Society For the Preservation of Covered Bridges. Covered Bridge Topics, Volume XV, No. 2, July 1957, page 3
Knoblock, Glenn A.. New Hampshire Covered Bridges, 2002, pages 12, 20, 37
National Society for the Preservation of Covered Bridges. World Guide to Covered Bridges, 2021, page 53
Chandler, Kim Varney. Covered Bridges of New Hampshire, 2022, Pages 64-68

Compilation 2026 Covered Spans of Yesteryear

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