US-12 over I-94


+42.22436, -83.65118
42°13'28" N, 83°39'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-12 over I-94
Structure number:000000000010841
Old structure number:81181062000S120 (from 1992 edition)
Location:2.0 MI W OF YPSILANTI
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:158.8 ft. [48.4 m]
Total length:425.9 ft. [129.8 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:93.8 ft. [28.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:54°
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
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:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,815 [as of 2007]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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: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:88.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairSatisfactorySatisfactorySatisfactory2081588.8
June 2016FairSatisfactorySatisfactorySatisfactory2081588.8
June 2014PoorSatisfactorySatisfactoryPoor2081559.0
July 2012FairSatisfactorySatisfactoryFair2081576.9
June 2010FairSatisfactorySatisfactoryFair2081576.9
August 2008FairSatisfactorySatisfactorySatisfactory2081588.8
August 2006FairSatisfactoryGoodSatisfactory1999690.0
July 2005PoorFairGoodSerious2925034.0
July 2002FairSatisfactoryGoodFair1900077.4
July 2000FairSatisfactoryGoodSatisfactory1900089.2
September 1998FairSatisfactoryGoodFair1900082.8
September 1996PoorFairVery GoodPoor1900056.6
August 1994FairSatisfactoryVery GoodSatisfactory3520083.5
June 1992FairSatisfactoryVery GoodSatisfactory3520083.5
October 1990FairSatisfactoryVery GoodSatisfactory3520083.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.14,69112,7721,91900
Steel Protective Coatingsq. ft.433,807327,298106,50900
Reinforced Concrete Decksq. ft.421,730421,730000
Wearing Surfacessq. ft.421,730421,730000
Steel Pin or Pin & Hangar Assemblyeach2121000
Steel Protective Coatingsq. ft.90463526900
Reinforced Concrete Columneach3102560
Concrete Protective Coatingsq. ft.40,04139,41762400
Reinforced Concrete Abutmentlinear ft.1,099607824100
Concrete Protective Coatingsq. ft.18,02917,54548400
Reinforced Concrete Pier Caplinear ft.53713330
Concrete Protective Coatingsq. ft.1,5611,561000
Strip Seal Jointlinear ft.1,0331,033000
Pourable Jointlinear ft.61704921250
Movable Bearingeach2110560
Steel Protective Coatingsq. ft.678067800
Fixed Bearingeach4204200
Steel Protective Coatingsq. ft.904090400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,6241,41121300
Concrete Protective Coatingsq. ft.74,59471,9032,69100