Bowstring Truss Bridge (Ironto, Virginia)

Bowstring Truss Bridge, also known as the Roaring Run Bowstring Truss Bridge and King Tubular Arch Truss Bridge, is a historic bowstring truss bridge located at the Ironto Rest Area near Ironto, Montgomery County, Virginia. It was built by the King Bridge Company in 1878, and is a single-span, four-panel tubular arch pony truss. It measures 55 feet (17 m) long, 12 feet (3.7 m) wide, and 6 feet 6 inches (1.98 m) high with an open roadway width of approximately 9 feet 6 inches (2.90 m). The bridge was partially disassembled and moved from its original location to a second site during the 1930s, where it remained until moved to its current location in 1977.^[3]

Bowstring Truss Bridge
U.S. National Register of Historic Places
Virginia Landmarks Register
Bowstring Truss Bridge, October 2013.
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Location	I-81, Ironto Rest Area, near Ironto, Virginia
Coordinates	37°14′21″N 80°13′28″W
Area	0.15 acres (0.061 ha)
Built	1878 (1878)
Built by	King Iron Bridge Company, Cleveland, Ohio
Architectural style	Tubular arch pony truss
NRHP reference No.	12001136[1]
VLR No.	060-5066
Significant dates
Added to NRHP	January 2, 2013
Designated VLR	June 19, 2008[2]

The bridge was documented by the Historic American Engineering Record in 1983 and listed on the National Register of Historic Places in 2013.^[1]

This is the oldest metal bridge in the entire Commonwealth of Virginia. Use of the historical bridge is now limited to pedestrians only with no more than three pedestrians at a time permitted on the bridge.

See also

• List of bridges documented by the Historic American Engineering Record in Virginia
• List of bridges on the National Register of Historic Places in Virginia