KNOX RD over I-96


+42.86198, -84.92222
42°51'43" N, 84°55'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:KNOX RD over I-96
Structure number:000000000003991
Old structure number:34134044000S050 (from 1992 edition)
Location:0.3 MI W OF PORTLAND
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:70.9 ft. [21.6 m]
Total length:251.0 ft. [76.5 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:530 [as of 1974]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:79.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016FairSatisfactorySatisfactorySatisfactory53079.5
December 2014FairSatisfactorySatisfactorySatisfactory53090.6
March 2013FairSatisfactorySatisfactorySatisfactory53090.6
March 2011FairSatisfactorySatisfactorySatisfactory53090.6
March 2009FairSatisfactoryFairSatisfactory53079.6
March 2007FairSatisfactoryFairSatisfactory53079.6
March 2005FairSatisfactorySatisfactoryGood53091.6
April 2003FairSatisfactorySatisfactoryGood53091.6
August 2001FairSatisfactorySatisfactoryGood53091.6
October 1999FairSatisfactorySatisfactoryGood53094.6
May 1997FairFairSatisfactoryGood53089.6
July 1995FairSatisfactoryGoodGood53090.5
September 1993GoodGoodGoodVery Good53085.6
May 1991GoodGoodVery GoodVery Good53090.8