MACK AVE over I-75


+42.35122, -83.04782
42°21'04" N, 83°02'52" 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:13.1 ft. [4.0 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: November 2017

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]
Sufficiency rating:92.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodVery GoodGoodGood1971092.1
December 2015GoodVery GoodGoodGood1971092.1
January 2014GoodVery GoodGoodGood1971092.1
April 2012PoorVery GoodPoorGood1971060.6
April 2010PoorVery GoodPoorVery Good1971060.6
March 2009GoodVery GoodGoodGood1971089.1
August 2008GoodVery GoodGoodGood1971089.1
May 2007PoorPoorPoorPoor1971057.3
May 2006PoorPoorPoorPoor1971058.4
February 2005PoorPoorPoorPoor1971058.4
November 2003PoorPoorPoorPoor1971057.3
October 2002PoorPoorPoorPoor1971057.3
July 2001PoorPoorPoorPoor1971058.4
May 2000PoorSeriousPoorPoor1971056.2
September 1998PoorFairPoorPoor1971060.6
September 1996FairFairSatisfactoryFair1971083.8
September 1994FairFairSatisfactoryGood1971095.0
July 1992PoorFairPoorGood1971062.3
June 1990PoorSatisfactoryPoorGood1971063.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.6,1656,165000
Reinforced Concrete Decksq. ft.31,03030,83020000
Reinforced Concrete Columneach3022800
Reinforced Concrete Abutmentlinear ft.3022822000
Reinforced Concrete Pier Caplinear ft.4534233000
Strip Seal Jointlinear ft.453453000
Pourable Jointlinear ft.30226230100
Movable Bearingeach120120000
Fixed Bearingeach120120000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.41127413700