+46.54331, -123.51189
46°32'36" N, 123°30'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 6 over FERN CREEK
Structure number:0007013A0000000
Location:16.8 E JCT US 101
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:42.0 ft. [12.8 m]
Total length:107.0 ft. [32.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1962
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:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,167 [as of 2016]
Truck traffic:17% 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:71.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,712,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018GoodGoodGoodGood116771.2
April 2016GoodGoodGoodGood122068.0
April 2014GoodGoodGoodGood122068.0
April 2012GoodGoodGoodGood128667.2
May 2010GoodGoodGoodGood145666.5
May 2008GoodGoodGoodGood145666.5
June 2006GoodGoodGoodGood156266.5
June 2004GoodGoodGoodGood156266.5
August 2002GoodGoodGoodGood156266.5
May 2000GoodGoodGoodGood156266.5
June 1998FairGoodGoodFair156855.5
December 1996FairGoodGoodFair156855.5
June 1994GoodGoodGoodGood128068.2
June 1992GoodGoodGoodGood120068.9