KNOX RD over I-96

Map

Coordinates:
+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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2016	Fair	Satisfactory	Satisfactory	Satisfactory	530	79.5
December 2014	Fair	Satisfactory	Satisfactory	Satisfactory	530	90.6
March 2013	Fair	Satisfactory	Satisfactory	Satisfactory	530	90.6
March 2011	Fair	Satisfactory	Satisfactory	Satisfactory	530	90.6
March 2009	Fair	Satisfactory	Fair	Satisfactory	530	79.6
March 2007	Fair	Satisfactory	Fair	Satisfactory	530	79.6
March 2005	Fair	Satisfactory	Satisfactory	Good	530	91.6
April 2003	Fair	Satisfactory	Satisfactory	Good	530	91.6
August 2001	Fair	Satisfactory	Satisfactory	Good	530	91.6
October 1999	Fair	Satisfactory	Satisfactory	Good	530	94.6
May 1997	Fair	Fair	Satisfactory	Good	530	89.6
July 1995	Fair	Satisfactory	Good	Good	530	90.5
September 1993	Good	Good	Good	Very Good	530	85.6
May 1991	Good	Good	Very Good	Very Good	530	90.8