Historic Bridges of the U.S. | 11th Street Viaduct

Photos

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east approach

Photo taken in 1999 by Jason Smith

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Center span

... with a few trees in front.

Photo taken in 1999 by Jason Smith

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west approach

Photo taken in 1999 by Jason Smith

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western spans

Photo taken in 1999 by Jason Smith

Overview: Steel stringer bridge over 3rd Ave, Big Sioux R & RR on 11th Street in Sioux Falls
Location: Sioux Falls, Minnehaha County, South Dakota
Status: Open to traffic
History: Built 1971; rehabilitated 1986
Design: Steel stringer
Dimensions: Length of largest span: 140.1 ft.
Total length: 1,578.5 ft.
Deck width: 40.0 ft.
Approximate latitude, longitude: +43.54639, -96.71778 (decimal degrees)
43°32'47" N, 96°43'04" W (degrees°minutes'seconds")
Approximate UTM coordinates: 14/684365/4824023 (zone/easting/northing)
USGS topographic map: Sioux Falls East
Inventory number: BH 36412 (Bridgehunter.com ID)
Inspection (as of 05/2007): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 79.5 (out of 100)
Average daily traffic (as of 2005): 12,500