+45.52690, -122.66460
45°31'37" N, 122°39'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:WB CON TO HWY 1 SB over HWY 1
Structure number:08588B002 00002
Location:0.1 MI E PORTLAND CC
Purpose:Carries highway overpass over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:134.8 ft. [41.1 m]
Total length:1419.0 ft. [432.5 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:12
Main spans material:Steel [3]
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: June 2013

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:81,800 [as of 2010]
Truck traffic:14% of total traffic
Deck condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:50.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$8,760,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201350.0FairFairSatisfactoryFairFO81800
October 201050.0FairFairSatisfactoryFairFO81800
April 200950.0FairFairSatisfactoryFairFO81800
April 200787.7FairFairSatisfactorySatisfactoryFO53127
April 200587.7FairFairSatisfactorySatisfactoryFO53127
April 200387.7FairFairGoodSatisfactoryFO53127
April 200188.9FairSatisfactoryGoodSatisfactoryFO51580
April 199989.1FairSatisfactoryGoodGoodFO49940
April 199789.8GoodGoodGoodGoodFO43100
April 199590.6GoodGoodGoodGoodFO43100
April 199390.6GoodGoodGoodGoodFO43100
April 199190.8GoodGoodGoodGoodFO40600