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Bridge 12
U.S. National Register of Historic Places
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Location	Boston Post Rd., Enosburg, Vermont
Coordinates	44°55′11″N 72°45′26″W / 44.91972°N 72.75722°W / 44.91972; -72.75722
Area	less than one acre
Built	1929 (1929)
Architectural style	Parker through truss
MPS	Metal Truss, Masonry, and Concrete Bridges in Vermont MPS
NRHP reference No.	07001299
Added to NRHP	December 20, 2007

Bridge 12 is a historic Parker through truss bridge, carrying Boston Post Road across the Missisquoi River in Enosburg, Vermont. Built in 1929 in the wake of Vermont's devastating 1927 floods, it is one a shrinking number of surviving truss bridges on the river. It was listed on the National Register of Historic Places in 2007.

Description and history

Bridge 12 is located in a rural area of northern Enosburg, northeast of the village of Enosburgh Falls. It carries Boston Post Road (Town Highway 2) across the Missisquoi River, just south of its junction with Vermont Route 105, a major regional east-west road. The bridge is 204 feet (62 m) long, and rests on concrete abutments. It has an overall width of 18 feet 9 inches (5.72 m), and a roadway width of 16 feet 6 inches (5.03 m). Each truss has eight triangular panels, the central ones stiffened by counter-diagonal struts, and reaching a maximum depth of 32 feet 7.5 inches (9.944 m). The trusses are joined together by a network of sway bracing. The bridge deck is concrete resting on a network of steel stringers and floor beams.

The bridge was built in 1929 to a state-approved design by L.H. Shoemaker, and the truss elements were fabricated by the Lackawanna Steel Construction Company of Buffalo, New York. The crossing site probably had a number of timber-frame bridges, the earliest definitively dated to the 1870s. The bridge was built in the wake of floods that washed away more than 1,200 bridges in Vermont, and accelerated the standardization of bridge construction in the state. This is one of a small number of surviving truss bridges on the Missisquoi River.

See also

• Transport portal
• Engineering portal
• National Register of Historic Places portal
• National Register of Historic Places listings in Franklin County, Vermont
• List of bridges on the National Register of Historic Places in Vermont

References

1. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
2. ^ William Thrane and Robert McCullough (2006). "NRHP nomination for Bridge 12". National Park Service. Retrieved 2016-10-14. with photos from 2006

v t e National Register of Historic Places in Franklin County, Vermont
Districts	Ballard Farm Central Vermont Railroad Headquarters Downtown Richford Historic District St. Albans Historic District
Buildings	Billado Block Sheldon Boright House Brigham Academy Community Baptist Church and Parsonage District No. 2 School District No. 8 School Enosburg Congregational Memorial Church Enosburg Opera House Evarts-McWilliams House Fairfield Street School First Congregational Church of Swanton Fletcher Union Church Georgia Plain Baptist Church Giroux Furniture Company Building Solomon Goodrich Homestead Hathaway's Tavern Houghton House Kemp-Shepard House Dr. B. J. Kendall Company L'Ecole Saintes-Anges Methodist Episcopal Church Montgomery House Ovitt Grist Mill Parish of the Holy Trinity Perley Block Moses P. Perley House Quincy Hotel Richford Primary School Richwood Estate Rockledge St. Albans Town Hall St. Ann's Episcopal Church St. Bartholomew's Episcopal Church St. George's Catholic Church St. John's Episcopal Church Swanton School Sweat-Comings Company House U.S. Inspection Station-East Richford, Vermont U.S. Inspection Station-Richford, Vermont U.S. Inspection Station-West Berkshire, Vermont United States Post Office and Custom House Warner Home West Berkshire School F.W. Wheeler House Willard Manufacturing Company Building
Structures	Bridge 9 Bridge 12 Bridge Number VT105-10 Comstock Covered Bridge Douglas & Jarvis Patent Parabolic Truss Iron Bridge East Fairfield Covered Bridge Fairfax Covered Bridge Fuller Covered Bridge Hectorville Covered Bridge Hopkins Covered Bridge Hutchins Covered Bridge Longley Covered Bridge Missisquoi River Bridge Swanton Covered Railroad Bridge West Hill Covered Bridge
See also: National Register of Historic Places listings in Franklin County, Vermont and List of National Historic Landmarks in Vermont

• Bridges on the National Register of Historic Places in Vermont
• National Register of Historic Places in Franklin County, Vermont
• Bridges completed in 1929
• Bridges in Franklin County, Vermont
• Buildings and structures in Enosburg, Vermont
• Road bridges in Vermont
• Steel bridges in the United States
• Parker truss bridges in the United States
• 1929 establishments in Vermont