Share:

M-3 TO I-375 S RMP over I-75

Map 

Coordinates:
+42.34483, -83.04430
42°20'41" N, 83°02'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-3 TO I-375 S RMP over I-75
Structure number:000000000011813
Old structure number:82182251000S120 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:87.9 ft. [26.8 m]
Total length:237.2 ft. [72.3 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1998
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: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: March 2014 

Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 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: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]
Inventory rating:70.1 tons [63.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201479.0Functionally obsoleteGoodGoodVery Good10110
March 201279.0Functionally obsoleteGoodGoodVery Good10110
April 201079.0Functionally obsoleteGoodGoodVery Good10110
March 200979.0Functionally obsoleteVery GoodGoodGood10110
August 200768.0Functionally obsoleteVery GoodSatisfactoryFair10110
July 200568.0Not deficientVery GoodSatisfactoryFair10110
July 200369.0Not deficientVery GoodSatisfactoryFair10110
July 200169.0Not deficientVery GoodSatisfactoryFair10110
May 200068.0Not deficientVery GoodSatisfactoryFair10110
September 199952.0Not deficientExcellentSatisfactoryPoor10110
September 199866.0Not deficientSatisfactorySatisfactoryFair10110
July 199733.0Structurally deficientSatisfactorySatisfactorySerious10110
September 199669.0Structurally deficientSatisfactorySatisfactoryPoor10110
September 199485.0Not deficientSatisfactoryGoodFair10110
August 199294.0Functionally obsoleteSatisfactoryVery GoodSatisfactory10110
June 199093.0Functionally obsoleteFairVery GoodSatisfactory10110