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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
February 201652.7Functionally obsoleteSatisfactorySatisfactorySatisfactory17300
February 201452.9Functionally obsoleteSatisfactorySatisfactorySatisfactory16900
February 201252.9Functionally obsoleteGoodSatisfactorySatisfactory16900
September 201043.5Functionally obsoleteGoodFairFair16900
February 200843.5Functionally obsoleteGoodFairFair16900
February 200664.2Not deficientGoodFairFair19000
February 200483.9Not deficientGoodFairFair18500
February 200294.8Not deficientGoodGoodGood21900
February 200094.8Not deficientSatisfactoryGoodGood21900
20000.0Not applicable---83800
February 199894.8Not deficientSatisfactoryGoodGood16000
February 199694.6Not deficientSatisfactoryGoodGood15700
February 199494.6Not deficientGoodSatisfactorySatisfactory15700
February 199292.6Not deficientGoodSatisfactorySatisfactory15700