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STATE ROUTE 20 over CHAMBERLAIN CREEK

Map

Coordinates:
+39.35282, -123.55671
39°21'10" N, 123°33'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STATE ROUTE 20 over CHAMBERLAIN CREEK
Structure number:10 0101
Location:01-MEN-020-17.29
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:44.9 ft. [13.7 m]
Total length:82.0 ft. [25.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1948
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:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,600 [as of 2009]
Truck traffic:16% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:48.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$969,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood260048.7
April 2015GoodVery GoodGoodGood260062.5
July 2013FairGoodSatisfactorySatisfactory260062.5
January 2012FairGoodSatisfactorySatisfactory260062.5
May 2009FairGoodSatisfactorySatisfactory280063.5
May 2007FairGoodSatisfactorySatisfactory280063.5
March 2006PoorPoorGoodSatisfactory280060.5
August 2005FairGoodSatisfactorySatisfactory280063.5
April 2003PoorPoorGoodSatisfactory280060.5
May 2001PoorPoorGoodSatisfactory219060.5
November 1997FairGoodGoodSatisfactory219064.5
August 1995FairSatisfactoryGoodSatisfactory220065.1
May 1993FairSatisfactoryGoodSatisfactory270065.1
July 1991FairSatisfactoryGoodSatisfactory270065.1