The Prentiss Bridge, which spans Great Brook, was built by Albert S. Granger. This Town lattice truss, built in 1874, is the third bridge on this site. It is closed to vehicular traffic. The Prentiss Bridge is the shortest covered bridge in New Hampshire.

Year of Construction: - 1791

Original Cost: - 6 pounds

Location:
One-half mile south of N.H. Route 12A on Old Cheshire Turnpike over Great Brook in Langdon.

Style-Characteristics:
Town lattice truss with light arches. The bridge is 34'6" long with a clear span of 27'0". It has an overall width of 18'10" with a roadway width of 16'1", and a maximum vertical clearance of 11'7". It is closed to vehicular traffic.