+48.61778, -122.43972
48°37'04" N, 122°26'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 11 over OYSTER CREEK
Structure number:0000825A0000000
Location:10.8 N JCT I-5
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:32.2 ft. [9.8 m]
Total length:86.0 ft. [26.2 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1924
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,256 [as of 2016]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:74.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$826,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactorySatisfactorySatisfactory225674.3
August 2016FairSatisfactorySatisfactorySatisfactory130679.1
August 2014FairSatisfactorySatisfactorySatisfactory130679.1
August 2012FairSatisfactorySatisfactorySatisfactory122479.3
September 2010FairSatisfactorySatisfactorySatisfactory160878.3
October 2008FairSatisfactorySatisfactorySatisfactory159378.3
August 2006FairSatisfactorySatisfactorySatisfactory150078.6
June 2004FairSatisfactorySatisfactorySatisfactory150078.6
September 2002FairFairFairSatisfactory150065.7
September 2000FairSatisfactorySatisfactorySatisfactory178574.8
April 1998FairSatisfactorySatisfactorySatisfactory178574.8
April 1996FairSatisfactoryGoodSatisfactory178574.5
May 1994FairSatisfactorySatisfactorySatisfactory117576.2
December 1992GoodGoodGoodGood117552.5
October 1990FairSatisfactorySatisfactoryGood117552.5