+43.19806, -95.27510
43°11'53" N, 95°16'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:310TH ST over STONY CREEK
Structure number:000000000117781
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:80.1 ft. [24.4 m]
Total length:82.0 ft. [25.0 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Owner:County Highway Agency [02]
Year built:1924
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:25 [as of 2015]
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:48.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018PoorFairPoorPoor2548.3
December 2016PoorFairPoorPoor2548.3
December 2014PoorFairPoorPoor2538.3
December 2012PoorFairPoorPoor2538.3
December 2010PoorFairPoorPoor2538.0
January 2009PoorFairPoorPoor2538.0
January 2007PoorFairPoorFair2538.3
December 2004FairFairSatisfactorySatisfactory4055.3
December 2002FairFairSatisfactorySatisfactory4055.3
April 2001FairFairSatisfactorySatisfactory4055.3
December 1998FairFairSatisfactorySatisfactory2555.3
November 1996FairFairSatisfactorySatisfactory2555.3
November 1994FairFairSatisfactorySatisfactory2555.3
April 1993FairFairSatisfactorySatisfactory2555.3
December 1990FairFairSatisfactorySatisfactory1561.8