I-90 RAMP TO US-12 over US 12 US 20


+41.59628, -87.30344
41°35'47" N, 87°18'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 RAMP TO US-12 over US 12 US 20
Structure number:046550
Location:00.15 E US 12
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Tolls:Yes, on toll road [2]
Length of largest span:133.5 ft. [40.7 m]
Total length:134.8 ft. [41.1 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:58.7 ft. [17.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Toll Authority [31]
Year built:2003
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 [3]
Main span 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: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,141 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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:97.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017GoodGoodVery GoodVery Good114197.9
July 2015GoodGoodVery GoodVery Good114197.9
August 2013GoodVery GoodVery GoodVery Good350497.7
August 2011GoodVery GoodVery GoodVery Good350497.7
August 2009GoodVery GoodVery GoodVery Good350497.7
August 2007GoodVery GoodVery GoodVery Good350497.7
July 2005GoodVery GoodVery GoodVery Good350497.8
September 2003FairFairFairFair343584.8
July 2001FairFairFairFair343584.8
August 1999FairSatisfactoryGoodSatisfactory214796.8
September 1997FairGoodGoodSatisfactory214796.8
October 1995GoodGoodGoodGood214796.8
September 1993GoodGoodGoodGood370096.7
October 1991GoodGoodGoodGood370098.7