I-84 (HWY 002) CON over HWY 64 CONN 1


+45.54571, -122.55958
45°32'45" N, 122°33'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-84 (HWY 002) CON over HWY 64 CONN 1
Structure number:13514B002C00672
Location:6.7 MI E PORTLAND CC
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:144.0 ft. [43.9 m]
Total length:144.0 ft. [43.9 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:State Highway Agency [01]
Year built:1979
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,000 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:26.4 tons [24.0 metric tons]
Inventory rating:20.4 tons [18.5 metric tons]
Sufficiency rating:59.9
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$738,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201559.9FairGoodFairGoodFO19000
April 201391.6FairGoodSatisfactoryGoodFO18108
April 201191.6FairGoodSatisfactoryGoodFO18108
April 200991.6GoodGoodGoodGoodFO18108
April 200791.7GoodGoodGoodGoodFO17407
April 200591.7FairGoodSatisfactoryGoodFO17407
April 200391.7GoodGoodGoodGoodFO17407
May 200291.8GoodGoodGoodGoodFO16900
May 200092.8GoodGoodGoodGoodFO13040
May 199892.8GoodGoodGoodGoodFO13040
May 199693.6GoodGoodGoodGoodFO9900
May 199493.7GoodGoodGoodGoodFO9900
May 199293.7GoodGoodVery GoodVery GoodFO9900
May 199075.5GoodVery GoodVery GoodGoodFO12000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.4326503670
Reinforced Concrete Floor Beamlinear ft.5050000
Reinforced Concrete Top Flangesq. ft.4,8244,8061800
Reinforced Concrete Abutmentlinear ft.7769800
Compression Jointlinear ft.7707700
Pot Bearingeach60600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.288028800