Piermont Bridge
U.S. National Register of Historic Places
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Location	NH 25 over Connecticut R.at Vermont State line, Piermont, New Hampshire
Coordinates	43°58′40″N 72°6′45″W / 43.97778°N 72.11250°W / 43.97778; -72.11250
Area	less than one acre
Built	1928 (1928)
Built by	New Hampshire Highway Dept.; Boston Bridge Works
Architectural style	Pennsylvania through truss
NRHP reference No.	01000630[1]
Added to NRHP	June 6, 2001

The Piermont Bridge carries New Hampshire Route 25 over the Connecticut River to the contiguous Vermont Route 25 between Piermont, New Hampshire and Bradford, Vermont. It is a Pennsylvania steel through truss bridge, built by the Boston Bridge Works in 1928. The bridge consists of a single span with a clear span of 352' and an overall length of 354'10". The roadbed is 20'7" wide, with a vertical clearance of 14'7". The bridge is approximately 25' above the river. The western (Vermont) abutment is made of split granite quarried from nearby Fairlee Mountain, while the eastern abutment is an early concrete construction built in 1908 by John Storrs for an earlier bridge. The bridge underwent a major renovation in 1993 which included the addition of a sidewalk (under which utilities were laid) and replacement of much of the bridge decking.^[2]

The bridge was built in the aftermath of major rain and flooding in 1927 along the Connecticut River, which washed away several bridges and caused significant damage in Vermont. The Piermont Bridge was the longest bridge built after this flooding, replacing a two-span Town lattice truss bridge dating back to 1875. The center pier of the older bridge was knocked down to the waterline and is still visible. The eastern abutment, built in 1908 in a relatively early use of structural concrete, needed to be strengthened to accommodate the increased weight of the new steel bridge. This was accomplished by adding new concrete to the land side of the abutment, preserving the earlier work.^[2]

The bridge was listed on the National Register of Historic Places in 2001.^[1] It is owned by the states of New Hampshire (90%) and Vermont (10%).

• List of crossings of the Connecticut River
• National Register of Historic Places listings in Grafton County, New Hampshire
• National Register of Historic Places listings in Orange County, Vermont
• List of bridges on the National Register of Historic Places in New Hampshire
• List of bridges on the National Register of Historic Places in Vermont

Media related to Piermont Bridge at Wikimedia Commons

v t e National Register of Historic Places in Grafton County, New Hampshire
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Historic properties	Abbie Greenleaf Library Ashland Junior High School Ashland Railroad Station Bath Covered Bridge Bedell Covered Bridge‡ Boulderwood Brick Store Bristol Town Hall Burleigh Brae and Webster Boathouse Burt–Cheney Farm Camp Carnes Camp Mowglis Camp Ossipee Canaan Meetinghouse Centre Village Meeting House Chapel of the Holy Cross Chocorua Island Chapel Daniel Carr House Dorchester Community Church Dow Academy Edward H. Lane House Enfield Center Town House Felsengarten First Free Will Baptist Church and Vestry Frost Place Goodall-Woods Law Office Great Hollow Road Stone Arch Bridge Hanover Town Library Haverhill–Bath Covered Bridge Hewitt House Holderness Free Library Holderness Inn Jeremiah Hutchins Tavern Lisbon Inn Littleton Town Building Lovett's by Lafayette Brook Lyme–East Thetford Bridge‡ Minot–Sleeper Library Morey Memorial Bridge‡ Moses Kent House Norman and Marion Perry House North Holderness Freewill Baptist Church–Holderness Historical Society Building Old Grafton County Courthouse Owls Head Piermont Bridge‡ The Rocks Rockywold–Deephaven Camps Sawyer–Medlicott House Sphinx Tomb Spring Hill Farm St. Mark's Episcopal Church Stone Arch Underpass Swiftwater Covered Bridge Thayer's Hotel Trinity Church US Post Office and Courthouse–Littleton Main Watch Rock Camp Whipple House Woodsville Opera Building
Footnotes	‡This historic property also has portions in an adjacent state.
See also: National Register of Historic Places listings in Grafton County, New Hampshire and List of National Historic Landmarks in New Hampshire