HWY 1W over HWY 1


+45.45375, -122.72096
45°27'13" N, 122°43'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:HWY 1W over HWY 1
Structure number:08205 01W 00622
Location:3.0 MI NE TIGARD CC
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:99.7 ft. [30.4 m]
Total length:250.3 ft. [76.3 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:96.1 ft. [29.3 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1959
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:2
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,300 [as of 2014]
Truck traffic:1% 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:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:32.9 tons [29.9 metric tons]
Inventory rating:19.9 tons [18.1 metric tons]
Sufficiency rating:52.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,994,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201652.7FairSatisfactorySatisfactorySatisfactoryFO17300
February 201452.9FairSatisfactorySatisfactorySatisfactoryFO16900
February 201252.9FairGoodSatisfactorySatisfactoryFO16900
September 201043.5FairGoodFairFairFO16900
February 200843.5FairGoodFairFairFO16900
February 200664.2FairGoodFairFair-19000
February 200483.9FairGoodFairFair-18500
February 200294.8GoodGoodGoodGood-21900
February 200094.8FairSatisfactoryGoodGood-21900
February 199894.8FairSatisfactoryGoodGood-16000
February 199694.6FairSatisfactoryGoodGood-15700
February 199494.6FairGoodSatisfactorySatisfactory-15700
February 199292.6FairGoodSatisfactorySatisfactory-15700