OR 99W (HWY 001W) over HWY 1W NB TO HWY 1 NB


+45.44369, -122.73897
45°26'37" N, 122°44'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:OR 99W (HWY 001W) over HWY 1W NB TO HWY 1 NB
Structure number:07758C01W 00740
Location:1.2 MI N OF HWY 144
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:136.5 ft. [41.6 m]
Total length:520.7 ft. [158.7 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:21.3 ft. [6.5 m]
Skew angle:53°
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:4
Main spans material:Prestressed concrete [5]
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: February 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:43,900 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:15.7 tons [14.3 metric tons]
Inventory rating:12.1 tons [11.0 metric tons]
Sufficiency rating:61.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$6,234,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201661.8FairSatisfactoryGoodSatisfactoryFO43900
February 201461.8FairSatisfactoryGoodSatisfactoryFO19800
February 201261.8FairSatisfactorySatisfactorySatisfactoryFO19800
February 201098.0GoodGoodGoodGood-19800
February 2008100.0GoodGoodGoodGood-23072
February 2006100.0FairGoodGoodSatisfactory-22400
February 200489.0FairSatisfactoryGoodFair-21900
February 200298.0GoodGoodVery GoodGood-51000
February 200098.0GoodGoodVery GoodGood-57900
February 199898.0GoodGoodVery GoodGood-43300
February 199698.0GoodGoodVery GoodGood-43300
February 199498.0GoodGoodVery GoodGood-43300
February 199296.0GoodGoodVery GoodGood-43300