The Highway B-29 Bridge is a historic bridge in

Prairie Grove, Arkansas Prairie Grove is a city in Washington County, Arkansas, United States. The population was 4,380 at the 2010 Census. It is part of the Northwest Arkansas region, and home to Prairie Grove Battlefield State Park. History Prairie Grove was the ...

. It is a single-span concrete arch bridge, carrying Washington County Route 623 across the

Illinois River The Illinois River ( mia, Inoka Siipiiwi) is a principal tributary of the Mississippi River and is approximately long. Located in the U.S. state of Illinois, it has a drainage basin of . The Illinois River begins at the confluence of the D ...

. The arch has a span of , and the total structure length is . Its deck is wide, and the bridge is typically above the water. Built in 1923, the bridge is one of the first built in the county by the

Luten Bridge Company Luten Bridge Company and variations such as Luten Engineering Company was the name of a number of different bridge building companies in the United States during the early- to mid-20th century. Each had rights to build concrete Luten arch bridges, ...

, which used an innovative technique involving metal rings (polished for visual effect on this bridge) that reduced the amount of material required for the structure. The bridge was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

in 2008.

References

Road bridges on the National Register of Historic Places in Arkansas Bridges completed in 1923 National Register of Historic Places in Washington County, Arkansas Arch bridges in the United States Concrete bridges in the United States 1923 establishments in Arkansas Transportation in Washington County, Arkansas Illinois River (Oklahoma) {{Arkansas-bridge-struct-stub

See also

References