I-375 N W TURN RD over I-75 & RAMP


+42.34449, -83.04424
42°20'40" N, 83°02'39" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-375 N W TURN RD over I-75 & RAMP
Structure number:000000000011812
Old structure number:82182251000S110 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.8 ft. [36.2 m]
Total length:511.2 ft. [155.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1998
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: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: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,200 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.9 tons [65.4 metric tons]
Inventory rating:43.1 tons [39.2 metric tons]
Sufficiency rating:88.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201688.0FairGoodFairFair-12200
December 201572.0PoorGoodFairPoorSD12200
December 201472.0PoorGoodFairPoorSD12200
January 201488.0FairGoodFairFair-12200
March 201240.0PoorGoodFairCriticalSD12200
March 201088.0FairVery GoodFairFair-12200
May 200899.0FairGoodGoodSatisfactory-12200
May 200699.0FairGoodGoodSatisfactory-12200
May 200499.0FairGoodGoodSatisfactory-12200
May 200298.0FairGoodGoodSatisfactory-12200
May 200099.0FairGoodGoodSatisfactory-12200
August 199863.0PoorFairGoodPoor-12200
September 199686.0FairSatisfactoryVery GoodFair-12200
September 199483.0PoorPoorVery GoodFairSD12200
August 199267.0PoorSatisfactoryVery GoodPoorSD12200
June 199091.0PoorPoorVery GoodSatisfactorySD12200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.2,5572,157100200100
Reinforced Concrete Decksq. ft.15,74815,37337500
Reinforced Concrete Columneach25101050
Reinforced Concrete Abutmentlinear ft.62471500
Reinforced Concrete Pier Caplinear ft.22412970250
Strip Seal Jointlinear ft.155155000
Pourable Jointlinear ft.1241010230
Movable Bearingeach40241600
Fixed Bearingeach40241600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,02392310000