MACK AVE over I-75


+42.35123, -83.04819
42°21'04" N, 83°02'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:MACK AVE over I-75
Structure number:000000000011815
Old structure number:82182251000S140 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.5 ft. [22.7 m]
Total length:205.4 ft. [62.6 m]
Roadway width between curbs:124.7 ft. [38.0 m]
Deck width edge-to-edge:150.9 ft. [46.0 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2007
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: December 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:19,710 [as of 2007]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:81.3 tons [73.9 metric tons]
Inventory rating:48.5 tons [44.1 metric tons]
Sufficiency rating:92.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201592.1GoodVery GoodGoodGood-19710
January 201492.1GoodVery GoodGoodGood-19710
April 201260.6PoorVery GoodPoorGood-19710
April 201060.6PoorVery GoodPoorVery Good-19710
March 200989.1GoodVery GoodGoodGood-19710
August 200889.1GoodVery GoodGoodGood-19710
May 200757.3PoorPoorPoorPoor-19710
May 200658.4PoorPoorPoorPoorSD19710
February 200558.4PoorPoorPoorPoorSD19710
November 200357.3PoorPoorPoorPoorSD19710
October 200257.3PoorPoorPoorPoorSD19710
July 200158.4PoorPoorPoorPoorSD19710
May 200056.2PoorSeriousPoorPoorSD19710
September 199860.6PoorFairPoorPoorSD19710
September 199683.8FairFairSatisfactoryFair-19710
September 199495.0FairFairSatisfactoryGood-19710
July 199262.3PoorFairPoorGoodSD19710
June 199063.3PoorSatisfactoryPoorGoodSD19710