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7 MI RD SB LFT TRN over I-75

Map 

Coordinates:
+42.43247, -83.09492
42°25'57" N, 83°05'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:7 MI RD SB LFT TRN over I-75
Structure number:000000000011848
Old structure number:82182252000S080 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.8 ft. [22.8 m]
Total length:215.9 ft. [65.8 m]
Roadway width between curbs:18.4 ft. [5.6 m]
Deck width edge-to-edge:23.3 ft. [7.1 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:4,900 [as of 2007]
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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:73.8 tons [67.1 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201494.0Functionally obsoleteVery GoodVery GoodGood4900
May 201294.0Functionally obsoleteVery GoodVery GoodGood4900
July 201094.0Not deficientVery GoodVery GoodGood4900
August 200892.0Not deficientVery GoodVery GoodGood4900
May 200792.0Not deficientVery GoodVery GoodGood4900
May 200594.0Not deficientVery GoodVery GoodGood4900
February 200494.0Not deficientExcellentExcellentGood4900
June 200249.0Not deficientPoorFairSerious4900
September 200149.0Structurally deficientPoorFairSerious4900
June 200066.0Structurally deficientFairFairPoor4900
September 199881.0Not deficientFairFairFair4900
September 199681.0Not deficientFairGoodFair4900
October 199668.0Not deficientFairGoodFair4900
October 199493.0Not deficientSatisfactoryGoodSatisfactory4900
August 199293.0Not deficientSatisfactoryGoodSatisfactory4900
July 199094.0Not deficientSatisfactoryGoodSatisfactory4900