Sulphite Railroad Bridge
Sulphite Railroad Bridge, Railroad bridge in Franklin, United States.
The Sulphite Railroad Bridge spans 234 feet across the Winnipesaukee River with three sections supported by granite piers and Pratt trusses beneath the railbed.
Built in 1896 by the Boston and Maine Railroad, this structure replaced a standard trestle bridge from 1892 and operated until its closure in 1973.
The bridge earned its name from transporting sulfur to Franklin paper mills, which formed the industrial backbone of the local community until the 1920s.
Visitors can reach the bridge by following the Winnipesaukee River Trail for half a mile from Trestle View Park, where free parking is available.
The structure features an unconventional design with railroad tracks positioned above the trusses, making it the last remaining upside-down covered bridge in the United States.
Location: Franklin
GPS coordinates: 43.44530,-71.63610
Latest update: March 6, 2025 01:58
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