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I-75N RMP WINCHEST over I-75

Map 

Coordinates:
+42.44439, -83.09475
42°26'40" N, 83°05'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75N RMP WINCHEST over I-75
Structure number:000000000011861
Old structure number:82182252000S250 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:230.0 ft. [70.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:30°
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:3
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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:5,740 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:97.9 tons [89.0 metric tons]
Inventory rating:58.7 tons [53.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:74.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201474.9Functionally obsoleteVery GoodGoodGood5740
May 201274.9Functionally obsoleteVery GoodGoodGood5740
July 201074.9Not deficientVery GoodGoodGood5740
February 201074.9Not deficientVery GoodGoodGood5740
February 200874.9Not deficientVery GoodGoodGood5740
February 200674.9Not deficientExcellentGoodGood5740
February 200464.7Not deficient-FairSatisfactory5740
June 200247.0Not deficientFairPoorSatisfactory5740
June 200047.0Structurally deficientFairPoorSatisfactory5740
September 199847.0Structurally deficientFairPoorSatisfactory5740
October 199646.0Structurally deficientSatisfactoryPoorGood5740
October 199448.0Structurally deficientSatisfactoryPoorGood5740
August 199248.0Structurally deficientSatisfactoryPoorGood5740
July 199048.0Structurally deficientGoodPoorGood5740