Twin Bridges Historic District
Encyclopedia
The Twin Bridges Historic District is an area surrounding two closed-spandrel, concrete-deck bridges completed in 1922 by the Luten Bridge Company
. These bridges are located on County Route 3412 and former County Route 11. The district was added to the National Register of Historic Places
on March 7, 1994.
, closed spandrel
concrete deck bridges. Formerly both on the winding County Route 11, the route was straightened in 1955 and has now bypassed these bridges on a new concrete facility.
of Knoxville, Tennessee
was contracted for the work and for eleven other bridges in the county.
Luten Bridge Company
Luten Bridge Company was a bridge building company based in Knoxville, Tennessee in the early- to mid-20th century. The firm built Luten arch and other types of bridges.-Luten Bridge Co. vs. Rockingham County:...
. These bridges are located on County Route 3412 and former County Route 11. The district was added to the National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
on March 7, 1994.
Style
The two bridges are both single-spanSpan (architecture)
Span is the distance between two intermediate supports for a structure, e.g. a beam or a bridge.A span can be closed by a solid beam or of a rope...
, closed spandrel
Arch bridge
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side...
concrete deck bridges. Formerly both on the winding County Route 11, the route was straightened in 1955 and has now bypassed these bridges on a new concrete facility.
Construction
By order of the county judge, local residents were to construct the approaches of the bridges by themselves to spare expense to the county. The Luten Bridge CompanyLuten Bridge Company
Luten Bridge Company was a bridge building company based in Knoxville, Tennessee in the early- to mid-20th century. The firm built Luten arch and other types of bridges.-Luten Bridge Co. vs. Rockingham County:...
of Knoxville, Tennessee
Knoxville, Tennessee
Founded in 1786, Knoxville is the third-largest city in the U.S. state of Tennessee, U.S.A., behind Memphis and Nashville, and is the county seat of Knox County. It is the largest city in East Tennessee, and the second-largest city in the Appalachia region...
was contracted for the work and for eleven other bridges in the county.