US 101 over SALMON CR


+46.79875, -123.74606
46°47'55" N, 123°44'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 over SALMON CR
Structure number:0005101A0000000
Location:0.6 N PACIFIC CO
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:27.9 ft. [8.5 m]
Total length:76.1 ft. [23.2 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1929
Year reconstructed:1956
Historic significance:Bridge is not eligible for the National Register of Historic Places [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: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,192 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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: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 minimum criteria [6]
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:71.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,216,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactorySatisfactoryFair419271.6
August 2015FairSatisfactorySatisfactoryFair402471.5
August 2013FairSatisfactorySatisfactoryFair402471.5
August 2011FairSatisfactorySatisfactoryFair420971.5
August 2009FairSatisfactorySatisfactoryFair407571.5
August 2007FairSatisfactorySatisfactoryFair365272.1
July 2005FairSatisfactorySatisfactoryFair365269.1
July 2003FairSatisfactorySatisfactoryFair365269.1
November 2001FairSatisfactorySatisfactoryFair365269.0
October 1999FairGoodGoodFair361672.2
July 1997FairGoodGoodFair361672.2
July 1995GoodGoodGoodGood361680.6
March 1993FairSatisfactorySatisfactoryGood415062.4
October 1991FairSatisfactorySatisfactoryGood330064.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.456455010
Reinforced Concrete Decksq. ft.2,7362,736000
Wearing Surfacessq. ft.2,73602,73600
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.9494000
Reinforced Concrete Pileeach126240
Open Jointlinear ft.8908900
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.152152000
Reinforced Concrete Bridge Raillinear ft.152152000