+43.91672, -93.52674
43°55'00" N, 93°31'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CSAH 12 over BOOT CREEK
Structure number:81505
Location:1.7 MI E OF JCT CR64
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:18.0 ft. [5.5 m]
Total length:54.1 ft. [16.5 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:County Highway Agency [02]
Year built:1964
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:Slab [01]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:310 [as of 2008]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:94.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactorySatisfactorySatisfactory31094.6
December 2015FairFairFairSatisfactory31084.6
November 2013FairFairSatisfactorySatisfactory31095.6
November 2011FairFairSatisfactorySatisfactory31095.9
December 2009FairFairSatisfactorySatisfactory31095.9
August 2007FairFairSatisfactorySatisfactory68097.8
September 2005FairFairSatisfactorySatisfactory68097.8
October 2003FairSatisfactorySatisfactorySatisfactory26099.9
October 2001FairSatisfactoryGoodGood26099.9
January 2000GoodGoodGoodGood26097.9
March 1998GoodGoodVery GoodGood26097.9
January 1996GoodGoodVery GoodGood26092.5
January 1995GoodGoodVery GoodGood23092.5
January 1994GoodGoodGoodVery Good23092.5
December 1992FairSatisfactoryVery GoodVery Good23092.5
January 1992FairSatisfactoryVery GoodVery Good25092.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Floor Beamlinear ft.9393000
Timber Abutmentlinear ft.102406200
Timber Pileeach1401400
Timber Pier Caplinear ft.121012100
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.108010800
Steel Protective Coatingsq. ft.324324000
Timber Bridge Raillinear ft.1801800
Timber Slabsq. ft.1,6641,664000
Wearing Surfacessq. ft.1,5721,5410310