Mcdermott Covered Bridge QC
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Description: Location: The McDermott Covered Bridge is located north of N.H. Route 123A, two miles north of Alstead Village in Langdon, New Hampshire, USA. Style of Bridge: The bridge features a Town lattice truss design with light arches. Year of Construction: The McDermott Covered Bridge was built in the year 1869. Original Cost: The bridge was constructed at an original cost of $450. Structural Characteristics: The bridge has a length of 81 feet, with a clear span of 76 feet. Its overall width is 16 feet 6 inches, and the roadway width is 12 feet 1 inch. The maximum vertical clearance is 11 feet 1 inch. Cables are used to brace the bridge, and these cables are attached to a new highway bridge that bypassed the covered bridge in 1964. Currently, the McDermott Covered Bridge is used for foot traffic only. Maintenance: The bridge is maintained by the Town of Langdon.