St. Louis-San Francisco Overpass

Imboden Bridge

St. Louis - San Francisco Bridge
Coordinates 36°12′21″N 91°10′19″W / 36.20583°N 91.17194°W / 36.20583; -91.17194Coordinates: 36°12′21″N 91°10′19″W / 36.20583°N 91.17194°W / 36.20583; -91.17194
Carries US 62 / AR 115
Crosses Spring River
Locale Imboden, Arkansas
Official name St. Louis-San Francisco Overpass
Maintained by Arkansas State Highway and Transportation Department
ID number AHTD 1984
Characteristics
Design Concrete deck girder approach spans (both sides), Three riveted, 11-panel Pratt deck trusses, Three riveted, 11-panel Parker pony trusses,
Total length 1,049.9 feet (320.0 m)
Width 2 lanes, 23.9 feet (7.3 m)
Longest span 112 feet (34 m)
History
Opened

1937

St. Louis-San Francisco Overpass
Invalid designation
Nearest city Imboden, Arkansas
Area Lawrence County
Built 1937
Architect C.F. Lytle
MPS Historic Bridges of Arkansas
NRHP Reference # 90000513[1]
Added to NRHP April 9, 1990
Statistics
Daily traffic 2,800

The St. Louis-San Francisco Overpass is a pony and deck truss bridge built in 1937 located in Imboden, Lawrence County, Arkansas. It carries U.S. Route 62 and Arkansas Highway 115 over the Spring River for 1,049.9 feet (320.0 m).[2] The bridge has three Pratt deck trusses, each 112 feet (34 m) in length, and three Parker pony trusses, also 112 feet long, with the balance of the bridge length in steel girder truss spans. The bridge is 24 feet (7.3 m) wide.[3]

The bridge was listed on the National Register of Historic Places in 1990.[1] The bridge is currently open to two-lane traffic. It has a separate pedestrian sidewalk.

See also

References

  1. 1 2 National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
  2. ↑ "Imboden Bridge." Bridge Profile. Retrieved June 14, 2010.
  3. ↑ "NRHP nomination for St. Louis-San Francisco Overpass" (PDF). Arkansas Preservation. Retrieved 2014-12-27.


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