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7 MI RD NB LEFT TU over I-75

Map

Coordinates:
+42.43248, -83.09465
42°25'57" N, 83°05'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:7 MI RD NB LEFT TU over I-75
Structure number:000000000011846
Old structure number:82182252000S060 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:216.5 ft. [66.0 m]
Roadway width between curbs:20.7 ft. [6.3 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:2003
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 2007]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.0 tons [57.3 metric tons]
Inventory rating:37.7 tons [34.3 metric tons]
Sufficiency rating:97.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201697.0GoodVery GoodVery GoodGood-5000
May 201497.0GoodVery GoodVery GoodGood-5000
May 201297.0GoodVery GoodVery GoodGood-5000
July 201097.0GoodVery GoodVery GoodGood-5000
August 200894.0GoodVery GoodVery GoodGood-5000
May 200794.0GoodVery GoodVery GoodGood-5000
May 200594.0GoodVery GoodVery GoodGood-5000
February 200494.0GoodExcellentExcellentGood-5000
May 200161.0PoorSeriousPoorFairSD5000
September 199881.0FairFairFairFair-5000
October 199668.0FairFairGoodFair-5000
September 199681.0FairFairGoodFair-5000
October 199493.0FairSatisfactoryGoodSatisfactory-5000
August 199293.0FairGoodGoodSatisfactory-5000
July 199094.0FairSatisfactoryGoodGood-5000