County Road 11 over Snake River


+43.37155, -110.73966
43°22'18" N, 110°44'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 11 over Snake River
Structure number:DEY
Location:4 Miles N. Of Hoback Jct
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:129.9 ft. [39.6 m]
Total length:321.9 ft. [98.1 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:12.1 ft. [3.7 m]
Owner:County Highway Agency [02]
Year built:1910
Year reconstructed:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:358 [as of 2017]
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:18.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,530,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018PoorFairSeriousFair35818.8
September 2017PoorFairSeriousFair38918.6
September 2016PoorFairSeriousFair32019.0
September 2015PoorFairSeriousFair32019.0
October 2014FairFairFairFair32028.4
September 2013PoorFairSeriousFair32019.0
August 2012PoorFairPoorFair32019.0
August 2011PoorFairPoorFair32019.0
September 2010PoorFairPoorFair32019.0
June 2009FairFairFairFair31023.6
July 2008FairFairFairFair31023.6
June 2007FairFairFairFair31023.6
June 2006FairFairFairFair17024.0
June 2005FairFairFairFair17024.0
July 2004FairFairFairFair17024.0
June 2003FairFairSatisfactoryFair17024.0
June 2002FairFairSatisfactoryFair17024.0
June 2001FairFairSatisfactoryFair17024.0
July 2000PoorPoorSatisfactoryFair17021.9
June 1999FairFairSatisfactorySatisfactory17034.3
June 1998FairFairSatisfactorySatisfactory17034.3
July 1997FairFairSatisfactorySatisfactory17034.3
July 1996FairFairSatisfactorySatisfactory17034.3
July 1995FairFairSatisfactorySatisfactory17034.3
June 1994FairVery GoodFairVery Good17025.1
June 1993FairVery GoodFairVery Good17025.1
July 1992GoodVery GoodGoodVery Good17037.4
August 1991GoodVery GoodGoodVery Good17047.9