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I-75 BS (ASHMUN) over POWER CANAL

Map

Coordinates:
+46.49544, -84.34930
46°29'44" N, 84°20'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 BS (ASHMUN) over POWER CANAL
Structure number:000000000001570
Old structure number:17117032000B020 (from 1992 edition)
Location:IN SAULT STE MARIE
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:256.9 ft. [78.3 m]
Total length:256.9 ft. [78.3 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Owner:State Highway Agency [01]
Year built:1934
Year reconstructed:1998
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,180 [as of 2007]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
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:64.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairSatisfactoryFairFair1018064.9
June 2016FairGoodSatisfactorySatisfactory1018076.2
June 2014FairGoodSatisfactorySatisfactory1018076.2
June 2012FairGoodSatisfactorySatisfactory1018076.2
June 2010FairGoodSatisfactorySatisfactory1018074.2
May 2008FairGoodSatisfactorySatisfactory1018074.2
May 2006FairGoodSatisfactorySatisfactory1279773.7
May 2004FairGoodSatisfactorySatisfactory2100072.2
May 2003FairGoodSatisfactorySatisfactory2100070.2
June 2002FairGoodFairSatisfactory2100058.4
September 2001FairGoodFairSatisfactory2100057.4
June 2000FairGoodFairSatisfactory2100057.4
October 1999FairGoodFairGood2100057.4
January 1998PoorPoorFairFair2100054.2
September 1996PoorPoorFairFair2100054.2
October 1994PoorPoorFairFair1990054.1
July 1992FairFairGoodFair1990056.3
October 1990FairFairGoodSatisfactory1990068.1