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CSAH 3 over LITTLE COBB RIVER

Map

Coordinates:
+43.94726, -93.69754
43°56'50" N, 93°41'51" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CSAH 3 over LITTLE COBB RIVER
Structure number:81506
Location:0.1 MI S OF JCT CSAH4
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:17.7 ft. [5.4 m]
Total length:54.5 ft. [16.6 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:County Highway Agency [02]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:890 [as of 2008]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:71.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairFairFairSatisfactory89071.3
October 2015FairFairFairSatisfactory89071.3
October 2013FairFairFairSatisfactory89071.3
November 2011FairFairFairSatisfactory89075.0
January 2010FairFairFairSatisfactory89074.9
August 2007FairFairFairSatisfactory130076.8
September 2005FairFairFairSatisfactory130076.8
September 2004FairSatisfactorySatisfactorySatisfactory130088.8
October 2003FairSatisfactorySatisfactorySatisfactory100089.9
October 2001FairSatisfactoryGoodSatisfactory100092.2
December 1999GoodGoodGoodGood100087.7
March 1998GoodGoodVery GoodGood100087.7
January 1996GoodGoodVery GoodGood100080.2
January 1995GoodGoodVery GoodGood68582.7
January 1994FairSatisfactoryGoodSatisfactory68582.7
January 1993FairSatisfactoryVery GoodSatisfactory68582.7
January 1992FairSatisfactoryVery GoodSatisfactory60582.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Floor Beamlinear ft.9909900
Substructure
Timber Abutmentlinear ft.148826600
Timber Pileeach3203200
Timber Pier Caplinear ft.128953300
Deck
Timber Decksq. ft.1,7381,7083000
Wearing Surfacessq. ft.1,66883483400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.108010800
Steel Protective Coatingsq. ft.216216000
Timber Bridge Raillinear ft.1801800