SR 912 over US 12/20, PRIVATE DR


+41.65521, -87.48121
41°39'19" N, 87°28'52" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 912 over US 12/20, PRIVATE DR
Structure number:033024
Location:01.46 E US 41
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:132.9 ft. [40.5 m]
Total length:236.9 ft. [72.2 m]
Roadway width between curbs:105.0 ft. [32.0 m]
Deck width edge-to-edge:111.2 ft. [33.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:48°
Owner:State Highway Agency [01]
Year built:1986
Year reconstructed:2010
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel continuous [4]
Main span 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: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,926 [as of 2004]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryGoodSatisfactory1792698.3
February 2018FairSatisfactoryGoodSatisfactory1792698.3
February 2016FairSatisfactoryGoodGood1792694.2
February 2014FairSatisfactoryGoodGood1792694.2
February 2012GoodGoodGoodGood1792694.2
June 2009GoodGoodGoodGood1792694.2
July 2007GoodGoodGoodGood1792694.2
April 2005FairSatisfactorySatisfactoryFair1792684.0
May 2003FairSatisfactorySatisfactoryFair1757584.0
June 2001FairSatisfactorySatisfactoryFair1757584.0
June 1999GoodVery GoodVery GoodVery Good1512594.5
June 1997GoodVery GoodVery GoodVery Good1512594.5
August 1995FairSatisfactoryVery GoodVery Good1135595.1
August 1993FairSatisfactoryVery GoodVery Good900095.3
January 1991GoodVery GoodVery GoodVery Good900095.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,0842,084000
Steel Protective Coatingsq. ft.26,48626,486000
Reinforced Concrete Decksq. ft.13,10013,100000
Wearing Surfacessq. ft.12,3844,9197,46500
Reinforced Concrete Columneach1818000
Reinforced Concrete Pier Walllinear ft.148148000
Reinforced Concrete Abutmentlinear ft.163163000
Reinforced Concrete Pier Caplinear ft.166166000
Pourable Jointlinear ft.163163000
Movable Bearingeach99000
Fixed Bearingeach99000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.471471000