Bridgehunter.com | Shell Rock River Bridge

Share:

Photos

west entrance

This bridge replaced a through truss bridge, whose dimensions were 122.3 ft x 16 ft. The older structure was destroyed in an automobile wreck.

Photo taken by Jason Smith

Overview: Through truss bridge over Shell Rock River on 340th Street
Location: Cerro Gordo County, Iowa, and Worth County, Iowa
Status: Replaced by a new bridge
Future prospects: Replaced in 2010
History: Built ca. 1950
Design: Pratt through truss with M-frame portal bracings and riveted connections.
Dimensions: Span length: 129.9 ft.
Total length: 129.9 ft.
Deck width: 22.0 ft.
Vertical clearance above deck: 14.2 ft.
Approximate latitude, longitude: +43.25512, -93.12180 (decimal degrees)
43°15'18" N, 93°07'18" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/490113/4789153 (zone/easting/northing)
Land survey: T. 97 N., R. 19 W., Sec. 5
USGS topographic map: Grafton
Inventory numbers: IA 106470 (Iowa bridge number)
BH 13097 (Bridgehunter.com ID)
Inspection (as of 11/2009): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 39.7 (out of 100)
Average daily traffic (as of 2005): 80

October 11, 2012: Updated by Jason Smith: Added categories "Riveted", "M-frame portal"
January 25, 2012: Updated by Jason Smith: Confirmed replacement of the bridge.
July 30, 2010: New Street View added by Jason Smith
July 13, 2010: Updated by Nathan Holth: This bridge is doomed or demolished.
May 1, 2010: Updated by J.R. Manning: Added Road Name
February 4, 2008: New photos from Jason Smith