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


+42.34468, -83.04398
42°20'41" N, 83°02'38" 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:31.2 ft. [9.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 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: October 2018

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:Satisfactory [6 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]
Sufficiency rating:88.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairGoodFairSatisfactory1220088.0
November 2017FairGoodFairFair1220088.0
December 2016FairGoodFairFair1220088.0
December 2015PoorGoodFairPoor1220072.0
December 2014PoorGoodFairPoor1220072.0
January 2014FairGoodFairFair1220088.0
March 2012PoorGoodFairCritical1220040.0
March 2010FairVery GoodFairFair1220088.0
May 2008FairGoodGoodSatisfactory1220099.0
May 2006FairGoodGoodSatisfactory1220099.0
May 2004FairGoodGoodSatisfactory1220099.0
May 2002FairGoodGoodSatisfactory1220098.0
May 2000FairGoodGoodSatisfactory1220099.0
August 1998PoorFairGoodPoor1220063.0
September 1996FairSatisfactoryVery GoodFair1220086.0
September 1994PoorPoorVery GoodFair1220083.0
August 1992PoorSatisfactoryVery GoodPoor1220067.0
June 1990PoorPoorVery GoodSatisfactory1220091.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,5572,2572001000
Reinforced Concrete Decksq. ft.15,90115,40150000
Reinforced Concrete Columneach25151000
Reinforced Concrete Abutmentlinear ft.62501200
Reinforced Concrete Pier Caplinear ft.2241576700
Strip Seal Jointlinear ft.155155000
Pourable Jointlinear ft.1241121200
Movable Bearingeach40241600
Fixed Bearingeach40241600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,02382320000