Share:

M-64 over TOWNLINE CREEK

Ontonagon County, Michigan

Map

Coordinates:
+46.83770, -89.44201
46°50'16" N, 89°26'31" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-64 over TOWNLINE CREEK
Structure number:000000000008472
Old structure number:66166013000B050 (from 1992 edition)
Location:6.3 MI NE OF M-107
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:59.7 ft. [18.2 m]
Total length:59.7 ft. [18.2 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

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:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:94.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactorySatisfactoryGood103294.1
August 2016FairFairSatisfactoryGood103293.1
August 2014FairFairSatisfactoryGood103293.1
August 2012FairSatisfactorySatisfactoryGood103294.1
August 2010FairSatisfactorySatisfactoryGood103294.1
August 2008FairFairSatisfactoryGood103290.1
August 2006FairFairGoodGood97490.4
August 2004FairFairGoodGood260083.2
August 2002FairSatisfactoryGoodGood260084.4
August 2000FairSatisfactoryGoodGood260084.3
September 1998FairSatisfactoryGoodGood260084.3
September 1996GoodGoodGoodGood260082.3
October 1994GoodGoodGoodGood210084.3
September 1992GoodVery GoodGoodGood210087.8
September 1990PoorGoodPoorGood210056.6