+45.57420, -122.54661
45°34'27" N, 122°32'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-205 (HWY 064) CO over COLUMBIA R./SO. CHANNEL
Structure number:16188 064 02525
Location:1.25 MI S ORE-WASH LINE
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:200.1 ft. [61.0 m]
Total length:3115.3 ft. [949.5 m]
Roadway width between curbs:126.0 ft. [38.4 m]
Deck width edge-to-edge:136.2 ft. [41.5 m]
Vertical clearance below bridge:33.1 ft. [10.1 m]
Skew angle:37°
Owner:State Highway Agency [01]
Year built:1982
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:17
Main spans material:Prestressed concrete [5]
Main spans 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: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:144,700 [as of 2014]
Truck traffic:5% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:27.8 tons [25.3 metric tons]
Sufficiency rating:77.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201677.8FairSatisfactorySatisfactorySatisfactory-144700
August 201477.8FairSatisfactorySatisfactorySatisfactory-138100
October 201284.0FairSatisfactorySatisfactorySatisfactory-138100
October 201084.0FairSatisfactorySatisfactorySatisfactory-134300
October 200884.0FairSatisfactoryGoodGood-134300
October 200684.0FairSatisfactoryGoodGood-135900
October 200484.0FairSatisfactoryGoodGood-135900
October 200284.0FairGoodGoodSatisfactory-132100
October 200084.0GoodGoodGoodGood-118200
October 199884.0GoodGoodGoodGood-118200
October 199684.0GoodGoodGoodGood-88000
October 199484.0GoodGoodGoodGood-88000
October 199265.0GoodGoodGoodGoodFO84300
October 199065.0GoodGoodGoodGoodFO77600