Share:

I-205 (HWY 064) CO over COLUMBIA R./SO. CHANNEL

Map 

Coordinates:
+45.57420, -122.54661
45°34'27" N, 122°32'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2014 

Status:Open, no restriction [A]
Average daily traffic:138,100 [as of 2010]
Truck traffic:7% 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. ratingEvaluationDeckSuper.Sub.ADT
August 201477.8Not deficientSatisfactorySatisfactorySatisfactory138100
October 201284.0Not deficientSatisfactorySatisfactorySatisfactory138100
October 201084.0Not deficientSatisfactorySatisfactorySatisfactory134300
October 200884.0Not deficientSatisfactoryGoodGood134300
October 200684.0Not deficientSatisfactoryGoodGood135900
October 200484.0Not deficientSatisfactoryGoodGood135900
October 200284.0Not deficientGoodGoodSatisfactory132100
October 200084.0Not deficientGoodGoodGood118200
October 199884.0Not deficientGoodGoodGood118200
October 199684.0Not deficientGoodGoodGood88000
October 199484.0Not deficientGoodGoodGood88000
October 199265.0Functionally obsoleteGoodGoodGood84300
October 199065.0Functionally obsoleteGoodGoodGood77600