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STATE ROUTE 178 over KERN RIVER

Map

Coordinates:
+35.59862, -118.51229
35°35'55" N, 118°30'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STATE ROUTE 178 over KERN RIVER
Structure number:50 0280
Location:06-KER-178-R40.00
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:200.1 ft. [61.0 m]
Total length:503.0 ft. [153.3 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:63.0 ft. [19.2 m]
Owner:State Highway Agency [01]
Year built:1971
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:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,200 [as of 2009]
Truck traffic:8% 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:80.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2016GoodGoodGoodGood420080.3
November 2014GoodVery GoodVery GoodVery Good420079.3
November 2012GoodGoodVery GoodGood420080.3
November 2010GoodGoodVery GoodGood510078.9
December 2008GoodGoodVery GoodGood510078.9
November 2006GoodGoodVery GoodGood510078.9
November 2004GoodGoodVery GoodGood510078.9
March 2001FairSatisfactoryVery GoodGood289084.5
March 1997FairSatisfactoryVery GoodGood289084.5
May 1995GoodGoodVery GoodGood290083.6
November 1993GoodGoodVery GoodGood340082.0
August 1991GoodGoodVery GoodGood340082.0