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I-75 over ROUGE R,DEARBORN ST & RR

Map 

Coordinates:
+42.28674, -83.14014
42°17'12" N, 83°08'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 over ROUGE R,DEARBORN ST & RR
Structure number:000000000011716
Old structure number:82182194000B010 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:299.9 ft. [91.4 m]
Total length:8627.4 ft. [2629.5 m]
Roadway width between curbs:125.0 ft. [38.1 m]
Deck width edge-to-edge:132.6 ft. [40.4 m]
Vertical clearance below bridge:101.7 ft. [31.0 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:1989
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:3
Main spans material:Steel continuous [4]
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 2015 

Status:Open, no restriction [A]
Average daily traffic:100,492 [as of 2007]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:77.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201577.0Structurally deficientPoorGoodSatisfactory100492
May 201377.0Structurally deficientPoorGoodGood100492
May 201177.0Structurally deficientPoorGoodGood100492
June 200850.0Structurally deficientPoorGoodPoor100492
June 200650.0Structurally deficientPoorVery GoodPoor98362
June 200550.0Structurally deficientPoorSatisfactoryPoor91000
April 200336.0Structurally deficientPoorSatisfactoryPoor91000
April 200121.0Structurally deficientFairGoodSerious91000
April 199921.0Structurally deficientFairSatisfactorySerious91000
August 199621.0Not deficientFairGoodSerious76200
August 199421.0Not deficientFairGoodSerious76200
May 199221.0Not deficientFairGoodSerious76200
November 199038.0Not deficientFairGoodPoor76200