Share:

M-32 over S BR THUNDER BAY RIVER

Map

Coordinates:
+45.06089, -83.58514
45°03'39" N, 83°35'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-32 over S BR THUNDER BAY RIVER
Structure number:000000000000330
Old structure number:04104021000B030 (from 1992 edition)
Location:7.3 MI W OF ALPENA
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:59.7 ft. [18.2 m]
Total length:179.8 ft. [54.8 m]
Roadway width between curbs:35.1 ft. [10.7 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Owner:State Highway Agency [01]
Year built:1931
Year reconstructed:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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:Epoxy Overlay [5]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,505 [as of 2007]
Truck traffic:9% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:86.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairGoodSatisfactorySatisfactory550586.3
July 2016FairGoodSatisfactorySatisfactory550586.3
July 2014FairGoodSatisfactorySatisfactory550586.3
August 2012FairGoodSatisfactorySatisfactory550586.3
August 2010FairGoodSatisfactorySatisfactory550586.3
August 2008FairGoodSatisfactorySatisfactory550586.3
August 2006FairSatisfactorySatisfactorySatisfactory568486.0
August 2004FairSatisfactorySatisfactorySatisfactory480088.2
September 2002FairSatisfactorySatisfactorySatisfactory480088.2
September 2000FairSatisfactorySatisfactorySatisfactory480088.2
September 1998FairSatisfactorySatisfactorySatisfactory480093.5
November 1996FairGoodSatisfactorySatisfactory480086.2
July 1994FairGoodSatisfactorySatisfactory390087.3
June 1992FairGoodSatisfactorySatisfactory390087.3
May 1990FairGoodFairSatisfactory390075.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,4401,440000
Steel Protective Coatingsq. ft.14,40012,7761,602202
Deck
Reinforced Concrete Decksq. ft.6,6606,47917920
Wearing Surfacessq. ft.6,3006,298002
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.118105490
Reinforced Concrete Pier Caplinear ft.78651210
Joints
Other Jointlinear ft.1443603672
Bearings
Elastomeric Bearingeach2424000
Enclosed/Concealed Bearingeach1616000
Fixed Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.36231131200