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M-32 over THUNDER BAY RIVER

Map

Coordinates:
+45.00863, -83.97250
45°00'31" N, 83°58'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-32 over THUNDER BAY RIVER
Structure number:000000000007541
Old structure number:60160022000B020 (from 1992 edition)
Location:2.8 MI NE OF M-33
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:49.9 ft. [15.2 m]
Total length:99.7 ft. [30.4 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:1927
Year reconstructed:1991
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,572 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 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:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:78.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairFairGoodFair457278.0
July 2016FairSatisfactoryGoodFair457279.1
July 2014FairSatisfactoryGoodFair457279.1
August 2012FairSatisfactoryGoodSatisfactory457291.4
February 2012FairSatisfactoryGoodSatisfactory457291.4
April 2010FairSatisfactoryGoodSatisfactory457291.4
April 2008FairSatisfactoryGoodSatisfactory457291.4
April 2006FairSatisfactoryGoodSatisfactory506890.5
April 2004FairSatisfactoryGoodSatisfactory420092.1
August 2002FairSatisfactoryGoodSatisfactory420092.1
September 2000FairSatisfactoryGoodSatisfactory420092.1
September 1998FairSatisfactoryGoodSatisfactory420092.1
August 1996FairSatisfactoryGoodGood420090.1
July 1994FairSatisfactoryGoodGood350091.4
March 1991GoodVery GoodVery GoodVery Good350091.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,0151,015000
Steel Protective Coatingsq. ft.8,1207,88402360
Deck
Reinforced Concrete Decksq. ft.4,7702,3872,373010
Substructure
Reinforced Concrete Pier Walllinear ft.5004280
Reinforced Concrete Abutmentlinear ft.1721620100
Joints
Pourable Jointlinear ft.4747000
Bearings
Elastomeric Bearingeach88000
Movable Bearingeach1601600
Fixed Bearingeach1616000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2021920100