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MOSQUITO LK RD over MIDDLE FORK

Map

Coordinates:
+48.78462, -122.11314
48°47'05" N, 122°06'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MOSQUITO LK RD over MIDDLE FORK
Structure number:081574000000000
Location:05.2 SE MT.BAKER HY
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:337.9 ft. [103.0 m]
Total length:422.9 ft. [128.9 m]
Roadway width between curbs:13.1 ft. [4.0 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Owner:County Highway Agency [02]
Year built:1915
Year reconstructed:2010
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Closed Grating [4]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:117 [as of 2018]
Truck traffic:4% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:66.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,500,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairVery GoodSatisfactoryGood11766.8
August 2016FairVery GoodSatisfactoryGood11766.8
August 2014FairVery GoodSatisfactoryGood11766.6
August 2012FairVery GoodSatisfactoryGood14066.5
August 2010FairVery GoodSatisfactoryGood14052.8
March 2008FairFairFairFair14046.6
March 2007PoorPoorFairFair14044.6
March 2006PoorPoorFairFair14036.3
March 2004PoorPoorFairFair75032.6
March 2002PoorPoorFairFair75032.6
March 2000FairFairFairSatisfactory75034.9
April 1998FairFairFairSatisfactory75034.9
May 1997FairSatisfactoryFairSatisfactory75036.1
May 1996FairSatisfactoryFairSatisfactory75036.9
May 1994FairGoodFairFair56637.8
May 1993FairGoodFairSatisfactory56655.7
February 1991GoodGoodGoodGood60066.9