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KNIGHTON ROAD over INTERSTATE 5

Map

Coordinates:
+40.50549, -122.33848
40°30'20" N, 122°20'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:KNIGHTON ROAD over INTERSTATE 5
Structure number:06 0134
Location:02-SHA-005-R9.77
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:88.3 ft. [26.9 m]
Total length:258.9 ft. [78.9 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1965
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:4
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:7,500 [as of 2012]
Truck traffic:2% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016GoodGoodGoodGood750081.6
October 2014GoodVery GoodVery GoodVery Good1021984.6
January 2011FairSatisfactoryGoodGood1021984.6
October 2006GoodGoodGoodGood1021985.6
October 2004GoodGoodGoodGood1021983.5
October 2002GoodGoodGoodGood1021983.5
November 2001GoodGoodGoodGood1021983.5
July 1998GoodGoodGoodGood1021983.5
February 1997FairSatisfactoryFairSatisfactory1021971.5
November 1994FairSatisfactoryFairVery Good1021971.8
November 1992FairSatisfactoryFairVery Good1021971.8
June 1991FairGoodFairVery Good1021971.8