+42.36530, -83.13327
42°21'55" N, 83°07'60" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:UNDERWOOD AVE over I-96
Structure number:000000000011580
Old structure number:82182123000S320 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:86.9 ft. [26.5 m]
Total length:174.2 ft. [53.1 m]
Roadway width between curbs:29.5 ft. [9.0 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1972
Year reconstructed:2009
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:2
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: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,700 [as of 2008]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018GoodGoodGoodGood170089.7
September 2016GoodGoodGoodGood170089.7
September 2014GoodGoodGoodGood170089.7
September 2012GoodGoodGoodGood170089.7
September 2010FairSatisfactoryGoodGood170086.7
October 2009PoorPoorGoodSatisfactory170083.7
February 2009PoorPoorGoodSatisfactory330072.4
October 2007FairSatisfactoryGoodSatisfactory330075.4
October 2005FairSatisfactoryGoodSatisfactory330075.4
October 2003FairSatisfactoryGoodSatisfactory330077.4
October 2001FairSatisfactoryGoodSatisfactory330077.4
October 1999FairSatisfactoryGoodSatisfactory330075.4
September 1997FairGoodVery GoodFair330067.3
June 1995GoodGoodVery GoodGood330078.3
October 1993GoodGoodVery GoodGood300078.4
April 1991PoorGoodPoorSatisfactory300051.0