M-155 (MASON RD) over I-96


+42.60016, -83.94650
42°36'01" N, 83°56'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-155 (MASON RD) over I-96
Structure number:000000000005780
Old structure number:47147065000S040 (from 1992 edition)
Location:@ M-155
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:96.8 ft. [29.5 m]
Total length:348.1 ft. [106.1 m]
Roadway width between curbs:35.1 ft. [10.7 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:43°
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:2000
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: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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,413 [as of 2007]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:77.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodFairSatisfactory1041377.9
April 2015FairGoodFairSatisfactory1041377.9
April 2013FairGoodSatisfactorySatisfactory1041389.3
April 2011FairGoodSatisfactoryGood1041389.3
April 2009GoodGoodGoodGood1041389.3
April 2007FairVery GoodSatisfactoryGood1022889.4
April 2005FairVery GoodSatisfactoryGood1600087.9
September 2003FairVery GoodSatisfactoryGood1600086.9
October 2001FairVery GoodGoodFair1600075.2
May 2001FairVery GoodGoodFair1600075.2
August 1999FairFairGoodFair1600079.4
August 1997PoorPoorVery GoodSatisfactory1600084.7
October 1995PoorPoorVery GoodSatisfactory720087.1
August 1993PoorPoorSatisfactorySatisfactory720087.1
May 1991FairSatisfactorySatisfactorySatisfactory720089.2
May 1989PoorPoorGoodGood720086.1