Bath-Haverhill Bridge, Spanning Ammonoosuc River, bypassed section of Ammanoosuc Street (SR 135), Woodsville, Grafton County, NH

Significance: Bath-Haverhill Bridge is the oldest existing Town lattice truss, and one of the oldest covered bridges in the country. The Town lattice truss was one of the most widely used wooden truss forms. The bridge was in service for 170 years. Until bypassed in 1999 it carried the traffic of a numbered state highway.
Unprocessed Field note material exists for this structure: N1002
Survey number: HAER NH-33
Building/structure dates: 1829 Initial Construction
Building/structure dates: 1921-1922 Subsequent Work
Building/structure dates: after. 1920- before. 1929 Subsequent Work
Building/structure dates: 1973 Subsequent Work
Building/structure dates: 1998 Subsequent Work
National Register of Historic Places NRIS Number: 77000091