I-75 SB over D&M RR


+44.99084, -84.68137
44°59'27" N, 84°40'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 SB over D&M RR
Structure number:000000000008671
Old structure number:69169013000R012 (from 1992 edition)
Location:2.7 MI S OF M-32
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:65.0 ft. [19.8 m]
Total length:193.9 ft. [59.1 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,791 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:91.3
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairFairGoodSatisfactory679191.3
September 2014GoodGoodGoodGood679192.3
October 2012GoodGoodGoodGood679192.3
November 2010GoodGoodGoodGood679192.3
February 2010GoodGoodGoodGood679192.3
February 2008GoodGoodGoodGood764292.2
February 2006FairSatisfactoryGoodGood764292.2
September 2004FairSatisfactoryGoodGood425092.6
March 2004FairSatisfactoryFairFair425081.5
March 2002FairSatisfactoryFairFair425081.5
September 2000FairSatisfactoryFairFair425081.5
September 1998FairGoodFairFair425086.5
November 1996FairSatisfactorySatisfactorySatisfactory425092.6
September 1996FairSatisfactorySatisfactorySatisfactory425092.6
July 1994FairFairSatisfactorySatisfactory510091.6
June 1992PoorGoodPoorSatisfactory510065.4
May 1990FairSatisfactoryVery GoodSatisfactory510092.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,7191,6655400
Steel Protective Coatingsq. ft.13,89513,61727800
Reinforced Concrete Decksq. ft.8,4047,9411912720
Wearing Surfacessq. ft.7,4497,3750740
Reinforced Concrete Columneach106220
Reinforced Concrete Pier Walllinear ft.122975200
Reinforced Concrete Abutmentlinear ft.236236000
Reinforced Concrete Pier Caplinear ft.122952700
Strip Seal Jointlinear ft.112104080
Pourable Jointlinear ft.108001080
Movable Bearingeach2702700
Fixed Bearingeach2702700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3863934700