7 MI RD NB LEFT TU over I-75


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


Name:7 MI RD NB LEFT TU over I-75
Structure number:000000000011846
Old structure number:82182252000S060 (from 1992 edition)
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 2014 

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. ratingEvaluationDeckSuper.Sub.ADT
May 201497.0Not deficientVery GoodVery GoodGood5000
May 201297.0Not deficientVery GoodVery GoodGood5000
July 201097.0Not deficientVery GoodVery GoodGood5000
August 200894.0Not deficientVery GoodVery GoodGood5000
May 200794.0Not deficientVery GoodVery GoodGood5000
May 200594.0Not deficientVery GoodVery GoodGood5000
February 200494.0Not deficientExcellentExcellentGood5000
May 200161.0Structurally deficientSeriousPoorFair5000
September 199881.0Not deficientFairFairFair5000
September 199681.0Not deficientFairGoodFair5000
October 199668.0Not deficientFairGoodFair5000
October 199493.0Not deficientSatisfactoryGoodSatisfactory5000
August 199293.0Not deficientGoodGoodSatisfactory5000
July 199094.0Not deficientSatisfactoryGoodGood5000