US-12 WB over M-51


+41.80127, -86.24830
41°48'05" N, 86°14'54" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-12 WB over M-51
Structure number:000000000000918
Old structure number:11111101000S014 (from 1992 edition)
Location:0.8 MI S OF NILES
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:78.7 ft. [24.0 m]
Total length:157.2 ft. [47.9 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1955
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,473 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Fair [5 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.0
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$70,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairFairSatisfactorySatisfactory747397.0
May 2016FairFairSatisfactorySatisfactory747397.0
May 2014PoorPoorSatisfactorySatisfactory640495.0
May 2012FairFairSatisfactorySatisfactory640497.0
May 2010FairFairSatisfactoryGood640494.0
May 2008FairFairSatisfactoryGood640494.0
May 2006FairFairSatisfactoryGood657088.0
July 2004FairFairSatisfactoryGood375088.0
July 2002FairFairSatisfactoryGood375088.0
August 2000FairFairSatisfactoryGood375088.0
July 1998FairFairGoodGood375090.0
July 1996FairSatisfactoryGoodGood375082.0
July 1994FairFairGoodGood440081.0
May 1992FairFairVery GoodGood440081.0
May 1990FairSatisfactorySatisfactoryGood440082.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,09809581400
Steel Protective Coatingsq. ft.9,48406,6301,5481,306
Reinforced Concrete Decksq. ft.6,0705,565423820
Wearing Surfacessq. ft.5,2065,1574090
Steel Pin or Pin & Hangar Assemblyeach1401310
Reinforced Concrete Columneach62040
Reinforced Concrete Abutmentlinear ft.8272910
Reinforced Concrete Pier Caplinear ft.8074240
Strip Seal Jointlinear ft.40400
Other Jointlinear ft.7269030
Movable Bearingeach1401400
Steel Protective Coatingsq. ft.56028280
Fixed Bearingeach1400140
Steel Protective Coatingsq. ft.28012124
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3142981600
Steel Protective Coatingsq. ft.785078500