Historic Bridges of the U.S. | Missouri River Bridge

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Overview: Through truss bridge over Missouri River (Oahe Lake) on US 12
Status: Open to traffic
History: Built 1959; rehabilitated 1980
Design: Through truss
Dimensions: Length of largest span: 449.8 ft.
Total length: 5,058.6 ft.
Deck width: 25.9 ft.
Vertical clearance above deck: 17.3 ft.
Approximate latitude, longitude: +45.56111, -100.46111 (decimal degrees)
45°33'40" N, 100°27'40" W (degrees°minutes'seconds")
Approximate UTM coordinates: 14/385971/5046324 (zone/easting/northing)
USGS topographic map: Mobridge
Inventory numbers: SD 65-000-020 (South Dakota bridge number)
BH 32418 (Bridgehunter.com ID)
Inspection (as of 09/2006): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 25.6 (out of 100)
Average daily traffic (as of 2006): 2,545