Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rollinsford, Strafford County, NH

Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges built by the Boston & Maine Railroad surviving in situ. It is also the only example with three trusses and two lanes.
Survey number: HAER NH-44
Building/structure dates: 1917 Initial Construction
Building/structure dates: 1929 Subsequent Work
Building/structure dates: 1949 Subsequent Work
National Register of Historic Places NRIS Number: 95001425