+47.37333, -123.04333
47°22'24" N, 123°02'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CO. RD. 70390 over TAHUYA ESTUARY
Structure number:083037000000000
Location:0.14 S JCT 97500
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:26.9 ft. [8.2 m]
Total length:125.0 ft. [38.1 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:County Highway Agency [02]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:513 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:65.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$300,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairSatisfactoryFairFair51365.4
January 2017FairSatisfactoryFairFair75064.7
January 2015FairSatisfactoryFairFair75064.4
February 2013FairSatisfactoryFairFair75064.4
May 2011FairFairFairFair75063.4
May 2009FairFairSatisfactorySatisfactory71373.8
July 2007GoodVery GoodVery GoodGood71374.8
May 2005GoodVery GoodVery GoodGood71374.8
July 2003GoodVery GoodVery GoodGood71374.8
July 2001GoodVery GoodVery GoodGood71371.8
June 1999GoodVery GoodVery GoodGood71371.8
May 1997GoodVery GoodVery GoodGood40573.5
May 1995GoodGoodVery GoodGood40572.5
March 1993GoodGoodVery GoodGood40576.6
July 1991GoodGoodVery GoodGood40576.6