HY 1 SB TO HY 2 EB over HWY 1 I-5


+45.52526, -122.66545
45°31'31" N, 122°39'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HY 1 SB TO HY 2 EB over HWY 1 I-5
Structure number:08588C002 00020
Location:0.5 MI E OF PORTLAND CC
Purpose:Carries highway overpass (third level) over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:140.1 ft. [42.7 m]
Total length:1827.2 ft. [556.9 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.9 ft. [7.9 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:15
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:Poor
Status:Open, no restriction [A]
Average daily traffic:24,502 [as of 2010]
Truck traffic:5% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:20.7 tons [18.8 metric tons]
Inventory rating:16.1 tons [14.6 metric tons]
Sufficiency rating:54.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$8,693,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201354.4PoorPoorSatisfactorySatisfactorySD24502
October 201083.0PoorPoorSatisfactorySatisfactorySD24502
April 200985.2FairFairSatisfactorySatisfactoryFO24502
April 200785.4FairFairSatisfactorySatisfactoryFO22866
April 200585.4FairFairSatisfactorySatisfactoryFO22866
April 200377.5FairFairGoodSatisfactoryFO22866
April 200177.6FairFairGoodSatisfactoryFO22200
April 199978.8GoodGoodGoodGoodFO21530
April 199782.5GoodGoodGoodGoodFO17300
April 199582.5GoodGoodGoodGoodFO17300
April 199382.5FairSatisfactoryGoodGoodFO17300
April 199182.5GoodGoodGoodGoodFO20300