Miami Bridge
Encyclopedia
The Miami Bridge, also known as the McDaniel Memorial Bridge, is a cantilevered
Cantilever bridge
A cantilever bridge is a bridge built using cantilevers, structures that project horizontally into space, supported on only one end. For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from...

 through truss bridge over the Missouri River
Missouri River
The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...

 at Miami, Missouri
Miami, Missouri
Miami is a city in Saline County, Missouri, United States. The population was 160 at the 2000 census.-Geography:Miami is located at .According to the United States Census Bureau, the city has a total area of , of which, of it is land and of it is water.-Demographics:As of the census of 2000,...

 between Saline County, Missouri and Carroll County, Missouri. The Miami Bridge carries Route 41. The Miami Bridge was built in 1939, and its deck was replaced in 1983 as part of a rehabilitation project. The bridge's main cantilever span is 474.7 feet, while the two anchor spans are each 415 feet in length, resulting in a total cantilever truss length of 1304.7 feet. There are 11 approach spans, including four Warren deck truss spans, three on the northern approach and one on the southern approach. All remaining approach spans are steel stringer (multi-beam/girder) spans. Total bridge length including approach spans is 2,071.9 feet. The bridge's deck width is 23.0 feet and it has vertical clearance of 16.5 feet.

The bridge was constructed with the assistance of the Federal Administration of Public Works also known as the Public Works Administration
Public Works Administration
The Public Works Administration , part of the New Deal of 1933, was a large-scale public works construction agency in the United States headed by Secretary of the Interior Harold L. Ickes. It was created by the National Industrial Recovery Act in June 1933 in response to the Great Depression...

. Sverdrup and Parcel were consulting engineers for the structure, and Massman Construction Company was the contractor. The original plans for the bridge show plans for the original wooden toll building that was once located on the bridge. According to the plans, the toll building was painted white, featured wooden Slow and Stop signs, and included a cast iron stove for heating.

The Miami Bridge has been listed as eligible for 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...

. According to Clayton B Fraser who conducted Missouri's 1992 Historic Bridge Inventory, the Miami Bridge was eligible for the National Register of Historic Places as an "outstanding, large-scale example of steel truss construction, located on important great river crossing." Despite its historic significance, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

 Department of Transportation
Department of Transportation
The Department of Transportation is the most common name for a government agency in North America devoted to transportation. The largest is the United States Department of Transportation, which oversees interstate travel. All U.S. states, Canadian provinces, and many local agencies also have...

decided against rehabilitating the bridge and instead has decided to demolish the bridge's superstructure and erect a new bridge using the piers and abutment of the old bridge. The project will begin with the bridge's closure, scheduled for October 5, 2009.
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