+46.83759, -89.44949
46°50'15" N, 89°26'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-64 over HALFWAY CREEK
Structure number:000000000008471
Old structure number:66166013000B040 (from 1992 edition)
Location:5.5 MI NE OF M-107
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:50.2 ft. [15.3 m]
Total length:143.7 ft. [43.8 m]
Roadway width between curbs:42.7 ft. [13.0 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed:2007
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,032 [as of 2007]
Truck traffic:11% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.0
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$81,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairFairSatisfactoryGood103297.0
August 2016FairFairSatisfactoryGood103297.0
August 2014FairFairSatisfactoryGood103297.0
August 2012FairFairGoodGood103297.0
August 2010FairFairGoodGood103297.0
August 2008FairFairGoodGood103297.0
October 2007FairFairGoodGood97497.1
August 2006PoorPoorFairGood97483.8
August 2004PoorPoorFairGood260080.1
August 2002FairFairFairGood260080.1
August 2000FairFairFairGood260080.1
September 1998FairFairSatisfactoryGood260089.9
September 1996FairFairSatisfactorySatisfactory260087.9
October 1994FairFairGoodGood210088.6
September 1992FairFairVery GoodVery Good210090.9
September 1991FairFairVery GoodGood210090.9