United States Navy Seabees Bridge, Brattleboro, VT

The United States Navy Seabee Bridge is a steel, two-hinged arch bridge over the Connecticut River, located between Brattleboro, Vermont and Chesterfield, New Hampshire on route 9.

There have been three bridges on this site. The 1937 and 2003 bridges still exist. An earlier suspension bridge was heavily damaged by the 1936 flood.

The 2003 bridge is of similar construction to the 1937 bridge, but built for heavier loads with a wider deck and more road clearance. It uses suspender cables where the 1937 bridge uses thin suspender beams. The 1937 bridge is still in existence about 10ft downstream from the 2003 bridge, and is currently in use as a pedestrian bridge. Historic 1937 Chesterfield-Brattleboro Steel Arch Bridge over the Connecticut River. The bridge won an award of merit from the American Institute of Steel Construction as the Most Beautiful Steel Bridge in Class C in 1937.